| Stolz 1 Hall | Stolz 2 Hall | |
|---|---|---|
| 07:30 – 17:00 | ISOLS Young Surgeons Chondrosarcoma Registration is required for attendance. To view the detailed pre-meeting program, click here. | Musculoskeletal Tumour Surgery for Surgeons from Developing Countries Attendance is included in the Meeting registration fee. To view the detailed pre-meeting program, click here. |
| 17:00 | ISOLS Young Surgeons Networking event |
| Lehar Hall | Stolz 1 Hall | Stolz 2 Hall | Schubert Hall | Poster Area | |
|---|---|---|---|---|---|
| 08:00 – 08:45 | Session 1.1: Infections I Chairs: Michelle Ghert (United States) – Suraj Hindiskere (India) | Meet the professor (cases) Speakers: Peter Steadman (Australia) Mark Scarborough (United States) Miklós Szendrői (Hungary) Gerard Powell (Australia) | Session 3.1: Ultra Long-Term Outcomes of Megaprostheses Chairs: Nicola Fabbri (United States) – Saminathan Suresh Nathan (Singapore)\ | Session 4.1: Benign Bone Cysts Chairs: Dimosthenis Andreou (Germany) – Emmy Nyqvist (Sweden) | Poster Session I
|
| 08:45 – 09:00 | Morning break | ||||
| 09:00 – 10:30 | Session 1.2: Megaprostheses: Bigger, better, stronger? Chairs: Panayiotis J. Papagelopoulos (Greece), Thomas Schubert (Belgium) | Session 2.1: Imaging Technicques Chairs: Ilkyu Han (South Korea), Bernadette Liegl-Atzwanger (Austria) | Session 3.2: Soft tissue sarcomas Ι Chairs: Lester Chan (Singapore), Daniel A. Müller (Switzerland) | Session 4.2: PROMS & Coping Chairs: Shea Byrne (United Kingdom) – Shintaro Iwata (Japan) | Congress Lounge Mixed Reality Symposium |
| 10:30 – 11:00 | Coffee break | ||||
| 11:00 – 12:30 | Session 1.3: Infections II Chairs: Philipp Funovics (Austria), Minna Laitinen (Finland) | Session 2.2: Robotics – AI – Virtual surgery Chairs: Muhammad Ather Siddiqi (United Kingdom), Francisco Linares (Colombia) | Session 3.3: From the Operating Theatre to Histopathology Chairs: Scott Sommerville (Australia), Raymond Yau (China) | Session 4.3: Challenges in Sarcoma Management Chairs: Will Aston (United Kingdom) – Paul Jutte (The Netherlands) | |
| 12:30 – 13:30 | Industry Lunch Symposium 1 More information here | Lunch Break | |||
| 13:30 – 14:30 | Opening Ceremony Chairs: Pietro Ruggieri (Italy), Gerhard Hobusch (Austria) | ||||
| 14:30 – 15:30 | Session 1.4: Engineering Chairs: Peter Steadman (Australia), Paul Unwin (United Kingdom) | Session 2.3: PROMS Chairs: Gerhard Hobusch (Austria), Shalin Patel (United States) | Session 3.4: Osteosarcoma Chairs: Mark C. Gebhardt (United States) – Daniel Kotrych (Poland) | Session 4.4: Artificial Intelligence and Rrobotics Chairs: Eric Henderson (United States) – Adyb-Adrian Khal (Romania) | |
| 15:30 – 16:00 | Coffee break | ||||
| 16:00 – 17:30 | Session 1.5: Protons, Ions, Carbons Chairs: Xiaohui Niu (China), Susanne Scheipl (Austria) | Session 2.4: Worst case ever – How we escaped (or not) Chairs: Juan Pablo Zumárraga (Ecuador), Krista Goulding (United States) | Session 3.5: Novel Therapeutics Chairs: Cătălin Cîrstoiu (Romania) – Tomas Tomas (Czech Republic) | Session 4.5: Paediatric Patients Chairs: Matthew Houdek (United States) – Eric Staals (Italy) | |
| 17:30 – 18:00 | Presidential Lecture Chairs: Andreas Leithner (Austria), Maria Anna Smolle (Austria) | ||||
| 18:00 – 19:30 | Welcome Reception | ||||
| Lehar Hall | Stolz 1 Hall | Stolz 2 Hall | Schubert Hall | |
|---|---|---|---|---|
| 08:00 – 08:45 | ISOLS General Assembly | |||
| 08:45 – 09:00 | Morning break | |||
| 09:00 – 10:30 | Session 1.6: Innovations in paediatric sarcoma treatment Chairs: Eduardo J. Ortiz-Cruz (Spain), Andreas Krieg (Switzerland) | Session 2.5: Sarcoma Registry Chairs: Joanna Szkandera (Austria), Masood Umer (Pakistan) | Session 3.6: Soft Tissue Sarcomas II Chairs: Shintaro Iwata (Japan), Maya Niethard (Germany) | Session 4.6: Biological Reconstructions I Chairs: Luis Alberto Aponte-Tinao (Argentina) – Santiago Lozano Calderón (United States) |
| 10:30 – 11:00 | Coffee break | |||
| 10:30 – 11:00 | Poster Session II (PART 1) Basic Science II – Bening Bone Tumors I – Biological Reconstructions II | |||
| 11:00 – 12:30 | Session 1.7: Biological reconstructions – Growing back strong Chairs: Eduardo Botello (Chile), Domenico A. Campanacci (Italy) | Session 2.6: Metal Ion Release in Tumour Endoprostheses – Clinical Relevance, Mechanisms, and Management Chairs: John Healey (United States), Thomas Baad-Hansen (Denmark) | Session 3.7: Bone Sarcoma Chairs: Davide Donati (Italy), Isidro Angel Gràcia Alegria (Spain) | Session 4.7: Spinal and Sacral Tumours Chairs: Walid Ebeid (Egypt) – Koichi Ogura (Japan) |
| 12:30 – 13:00 | – | – | Industry Symposium 3 More information here | – |
| 13:00 – 13:30 | – | Industry Symposium 2 More information here | – | |
| 13:30 – 14:00 | ISOLS Lecture Chairs: Andreas Leithner (Austria), Andrea Angelini (Italy) 13:30 | Andreas Leithner (Austria): Introduction 13:35 | Ajay Puri (India): Reimplanting sterilised tumor bone: Irradiation or Cryotherapy – What works best? 13:55 | Closure & Change of Rooms | |||
| 14:00 – 15:30 | Session 1.8: Pelvic reconstruction: The ring of fire Chairs: Francis John Hornicek (United States), Per-Ulf Tunn (Germany) | Session 2.7: Amputation vs. Osseointegration vs. Rotationplasty Chairs: Gerhard Hobusch (Austria), Valerae O. Lewis (United States) | Session 3.8: Socio-Economic Disparities in Sarcoma Care Chairs: Thomas Hilton (South Africa), Oleg Vyrva (Ukraine) | Session 4.8: Biological Reconstructions II Chairs: Laura Campanacci (Italy) – Shalin Patel (United States) |
| 15:30 – 16:00 | Coffee break | |||
| 15:30 – 16:00 | Poster Session II (PART 2) Bone Scarome III – Bone Scaroma IV – Imaging Technicques – Soft Tissue Sarcomas II | |||
| 16:00 – 17:00 | Session 1.9: Margins – A marginal difference may be vital Chairs: Peter Rose (United States), Han-Soo Kim (Rep. of Korea) | Session 2.8: Challenges, limitations and potential solutions for Sarcoma Care in Developing Countries Chairs: Francisco Linares (Colombia), Santiago Lozano Calderón (United States) | Session 3.9: GCT Chairs: Joseph Benevenia (United States) – Hans Roland Dürr (Germany) | Session 4.9: Rotationplastry Chairs: Ashish Gulia (India) – Arne Streitbürger (Germany) |
| 17:00 – 18:00 | Pioneers of ISOLS (Round Table Discussion) Chair: Philipp Funovics (Austria) Speakers: Rainer Kotz (Austria) Winfried Winkelmann (Germany) Mark C. Gebhardt (United States) Franklin Sim (United States) Hiroyuki Tsuchiya (Japan) Get engaged with the pioneers of limb salvage surgery and ask your questions in an open podium discussion! | Session 2.9: Minimally Invasive Techniques for Metastatic Disease Chairs: Kista Goulding (United States), Karim Masrouha (United States) | Session 3.10: Basic Science I Chairs: Claudia Di Bella (Australia), Frank Traub (Germany) | Session 4.10: Biological Reconstructions III Chairs: Tomohiro Fujiwara (Japan) – Vineet Kurisunkal (United Kingdom) |
| Lehar Hall | Stolz 1 Hall | Stolz 2 Hall | Schubert Hall | Poster Area | |
|---|---|---|---|---|---|
| 08:00 – 08:45 | Session 1.10: Upper Extremity I Chairs: Luke Johnson (Australia) – Adam Levin (United States) | Meet the professor (cases) Speakers: Robert Lawrence Randall (United States) Michelle Ghert (Canada) Davide Donati (Italy) | Session 3.11: Advanced Metastatic Setting I Chairs: Humaid Al Farii (Oman) – Adyb-Adrian Khal (Romania) | Session 4.11: Of Bone and Bold Ideas Chairs: Alexander Lazarides (United States) – Harzem Özger (Turkey) | |
| 08:45 – 09:00 | Morning break | ||||
| 09:00 – 10:00 | Session 1.11: The Famous ISOLS Quiz Chairs: Philipp Funovics (Austria) – Lee Jeys (United Kingdom) Enlist your national team & get your code from the registration desk. Compete in a fun academic quiz on musculoskeletal oncology to win the ISOLS 2026 trophy! | Session 2.10: Upper Extremity II Chairs: Cecilia Belzarena (United States), Elisa Pala (Italy) | Session 3.12: Advanced Metastatic Setting II Chair: Justin E. Bird (United States), Fabrice Fiorenza (France) | Session 4.12: Osseointegration and Rotationplasty Chairs: Burkhard Lehner (Germany) – Rob Pollock (United Kingdom) |
|
| 10:00 – 11:00 | Session 1.12: Soft Tissue Sarcomas Chairs: Joanna Szkandera (Austria), Xiadong Tang (China) | Session 2.11: Liquid Biopsy – Tumour Biology Chairs: Giorgi Loria (Georgia), Nikolaos Stavropoulos (Greece) | Session 3.13: TGCTs Chairs: Michele Boffano (Italy), Mehmet Ali Deveci (Turkey) | Session 4.13: Pelvic Resections and Reconstructions Chairs:Wei Guo (China) – Jendrik Hardes (Germany) |
|
| 11:00 – 12:00 | Coffee break | Poster Session III
| |||
| 12:00 – 13:30 | Session 1.13: Benign Aggressive Tumours Chairs: Francisco Linares (Colombia), Nicole Montgomery (United States)
| Session 2.12: The very young and the very old Chairs: Valerae O. Lewis (United States), Juan Pablo Zumárraga (Ecuador) | Session 3.14: Megaprostheses & Metal Ions Chairs: Min Wook Joo (Rep. of Korea), Hazem Wafa (Belgium) | Session 4.14: Basic Sciences II Chairs: Shreyaskumar R. Patel (United States) – Eric Mascard (France) |
|
| 13:30 – 14:00 | Closing Session | ||||
| 15:00 – 18:00 | Medical History of Vienna | ||||
Admission is strictly limited to 30 registered participants.
Organized by the ISOLS Engineering group on Mixed Reality
Program
(Tentative/Subject to changes)
09:00 – 09:35
Welcome
K.C. Wong (Hong Kong, China)
Experience sharing
Juan Barriga (Canada), Ather Siddiqi (United Kingdom), Wei-Hsin Lin (Taiwan)
Q&A
09:35 – 10:30
Hands-on Workshop
Participants in two groups (each group with two Magic Leap 2 MR headsets and one iPad)
Mixed reality visualization and interaction of 3D Holograms
MR as spectator with MR headset / iPad
MR tracking with 3D-printed physical models (demo/practice if time allows)
Bone Sarcoma IIΙ
Chairs: Bugra Alpan (Turkey) – Toshifumi Ozaki (Japan)
478 | Shaohua Du (China): Using Two New Activated Chemiluminescent Probe to Detect the Aminopeptidase N/CD13 (APN) and Leucine Aminopeptidase (LAP), in Osteosarcoma Patients and the Prognosis of Recurrence and Metastasis
512 | Omar Aldosari (Saudi Arabia): Preoperative Inflammatory and Nutritional Biomarkers as Predictors of Postoperative Complications in Bone and Soft Tissue Sarcoma Surgery
413 | Jungo Imanishi (Japan): Are Age Over 50 Years, Cortical Thickness Less Than 2.5 mm or Smoking Status Contraindications for Compressive Osseointegration Devices? A Clinical Review of 17 Patients by a Single Surgical Team in Japan
323 | Emir Benca (Austria): Primary Stability of Percutaneous Implants for Transfemoral Amputees: A Biomechanical Ex Vivo Study
498 | Felipe Murad (Argentina): Bone margins in malignant bone tumors of the extremities
492 | Vishnu Ramanujan (India): Results of Low Cost Nail Cement Spacer Following Intercalary Resections of the Lower Limb: Where Less is Actually More
462 | Teodora Todorova (North Macedonia): Biopsy Tract Contamination after an Open Biopsy in Chondrosarcoma Patients: Case Series
422 | Hiroshi Urakawa (Japan): The Discordance Between Pre- and Post-Operative Pathological Diagnoses in Chondrosarcoma: From a Specialized Sarcoma Treatment Center in Japan
427 | Lee Zuckerman (United States): Role of Immunotherapy in IDH Mutated Chondrosarcoma – Case Series and Review of the Literature
952 | Maurizio Scorianz (Italy): Surgical Management of Chest Wall Chondrosarcoma: Reconstruction Strategies and Early Postoperative Outcomes in a Single-Center Series
854 | Ting Yu Shih (Taiwan): Forearm limb salvage procedures for primary malignant osseous tumors
591 | Pawan Kumar Suthar (India): Limb Salvage with Cement Spacer for Malignant Calcaneal Bone Tumors
202 | Yousef Naser (Slovakia): Evaluation of Patients Undergoing Limb Salvage Surgery for Bone Sarcomas of the Lower Limb
Bone Sarcoma IV
Chair: Rodrigo Cardoso (Brazil) – Robert Phillips (New Zealand)
947 | Sarah Tepper (United States): Dedifferentiated chondrosarcoma demonstrates rapid development of metachronous pulmonary metastasis: a time-to-event analysis
799 | Abdullah Alanazi (Saudi Arabia): Correlation between MRI Template and Tumor Resection for Safety Margin – A Retrospective Study
956 | Abdulrahman Bobseit (Saudi Arabia): Impact of Surgical Margin on Local Recurrence and Survival in Bone Ewing Sarcoma of Extremities. When Do We Need Radiotherapy? A Meta-analysis
905 | Miguel Santana Costa (Brazil): Gait and Quality of Life After Resection of Foot and Ankle Tumors: A Functional Analysis
965 | Minal B Shivaprakash (India): The Bio-Prosthetic Era: Hybrid Reconstruction Of Bone Tumors – A Case Series
867 | Oluwaseyi Kayode Idowu (Nigeria): Challenges and outcome of management of chondrosarcoma at a regional musculoskeletal oncology unit in Sub-Saharan Africa
857 | Siddhartha Laskar (India): Post Operative Radiotherapy (PORT) following Limb Salvage Surgery (LSS) in Children with Ewings Sarcoma
999 | Dimitra Papagelopoulou (Greece): Artificial Intelligence in Primary Malignant Bone Tumor Imaging
927 | Charalampos Pavlopoulos (Greece): Treatment of Proximal Tibial Osteosarcoma with En Bloc Resection and Oncologic Megaprosthetic Reconstruction
916 | Anand Raja (India): Does Definitive radiation therapy play a role in “operable” Ewing sarcoma of the extremities and pelvis?
1013 | Thomas J. Scharschmidt (United States): Metabolic Response and Tumor Mineralization on PET/CT as Predictors of Histologic Necrosis in Osteosarcoma
1014 | Thomas J. Scharschmidt (United States): Postoperative Fever after Radical Resections of Pediatric Extremity Sarcomas is Not Associated with Positive Blood or Urine Cultures
Imaging Techniques
Chair: Antonio Batalha Castello Neto (Brazil)
951 | Ali Ijaz Ahmad (Pakistan): 18F-FDG PET/CT–Guided Surgical Planning for Sarcoma Resection in the Presence of MRI-Incompatible Implants: A Case Series
740 | Munjed Al Muderis (Australia): Role of 3D Modelling in an Accurate Deformity Assessment and Correction
364 | Huseyin Bilgehan Cevik (Canada): Feasibility and Utility of Synoptic 3D Virtual Reality Imaging Reports for Complex Sarcoma Surgery
668 | Michiyuki Hakozaki (Japan): Preoperative PET/MRI Findings for the Planning of Additional Wide Resection of Soft Tissue Sarcomas: How Useful is it?
705 | Reynaldo Jesus-Garcia (Brazil): Can PET-CT Improve the Diagnostic Accuracy of Central Cartilaginous Tumors? A Risk-Stratified SUVmax Model
573 | Min Wook Joo (South Korea): Do Pre-referral Magnetic Resonance Imaging Scans for Soft-tissue Tumors Fulfill Current Technical and Reporting Recommendations?
583 | Amar Kamat (India): How Useful is Navigation with Automatic Registration using a 3D C-arm in Orthopaedic Oncology?
412 | Wanlim Kim (South Korea): Susceptibility Artifact Evaluation for 3D Printed Metal Implant According to Porosity Variation and Design: Ex Vivo Study
938 | Akshay Tiwari (India): Accuracy of MRI in predicting response to chemotherapy in Primary Bone Sarcomas: A Radiological–Histopathological Correlation Study
753 | Florian Pengg (Austria): Outcomes of treatment of 333 Osteoid Osteoma in a Retrospective Single-Center-Cohort
754 | Florian Pengg (Austria): Treatment Outcomes of Osteoid Osteoma around the Foot and Ankle – A Retrospective Single Center Study
632 | Tomotaka Yoshida (Japan): Does Pre-referral Ultrasonography Contribute to Appropriate Referral of Soft Tissue Sarcomas?
1021 | Elisa Bruatto (Italy): Prediction of Femoral Fracture Risk in Patients with Bone Metastases
532 | Sarah Tepper (United States): Integrating BACTIP and the Radiological Aggressiveness Score into a Stepwise Management Agorithm for Intramedullary Cartilage Tumors
Soft Tissue Sarcomas II
Chair: Christoph Hofer (Austria) – Magdalena Maria Gilg (Austria)
749 | Anna Cooper (United States): Radiation-associated Femoral Nonunion and Fixation Failure following Limb-salvage Surgery for Anterior Thigh Soft Tissue Sarcoma: Two Case Reports and a Review of the Literature
266 | Muhamad Naseh Sajadi Budi (Indonesia): Unraveling the Causes of Diagnostic and Therapeutic Delay in Healthcare Settings: An Analytical Study in a General Hospital
731 | Tymoteusz Budny (Germany): The Impact of Resection Margins in Primary Resection of High-grade Soft Tissue Sarcomas
708 | Stéphane Cherix (Switzerland): Role of Abdomino-Pelvic CT In Detecting Metastatic Disease In Musculoskeletal Soft Tissue Sarcomas
147 | Jun Iwatsu (Japan): Clinical Outcomes of Prophylactic Intramedullary Nailing to Prevent Post-Radiation Fractures in Soft Tissue Sarcoma of the Lower Extremity
379 | Marco Focaccia (Italy): Prognostic Impact of Soft Tissue Sarcoma Lymph Node-Metastases: Early vs Late Onset
755 | Philipp Funovics (Austria): Adult Rhabdomyosarcoma – A Retrospective Single-Center-Study
566 | Yoko Hagiwara (Japan): Treatment of Unresectable Soft Tissue Sarcoma in Elderly Patients with Multiple Metastases at Initial Diagnosis
822 | Krista Goulding (United States): National Trends and Burden Composition of Soft Tissue and Extraosseous Sarcomas in the United States, 1990-2023
704 | Hüseyin Yusuf Yildiz (Turkey): Primary Intra-articular Sarcomas: A Retrospective Review of Eight Cases
310 | Samuel Broida (United States): Risk Factors and Outcomes of Local Recurrence in Synovial Sarcom
641 | Berksu Polat (Turkey): Survival and Complication Profile in Myxoid Liposarcomas: An 18-Year Retrospective Analysis
438 | Tatsuro Saruga (Japan): Preoperative D-Dimer–Guided Screening for Venous Thromboembolism in 2,176 Patients Undergoing Surgery for Bone and Soft-Tissue Sarcoma
437 | Seiji Shimomura (Japan): Does Infiltrative Growth Pattern Affect Outcomes after Unplanned Excision of Soft Tissue Sarcomas?
502 | Emir Mustaqim Zulkharnain (Malaysia): The Blue Cell Challenge: Navigating a Diagnostic Dilemma in Renal Extraskeletal Ewing Sarcoma: A Case Report
897 | Ying Jin Tan (Singapore): Frozen, Not Forsaken: Limb-Sparing Cryoablation for Axillary Desmoid Tumour
Benign Bone Tumours II
Chairs: Marcos Galli Serra (Argentina) – Ermias Gizaw Hailemeskel (Ethiopia)
709 | Joseph Benevenia (United States): Diminished Remaining Subchondral Bone Predicts Risk for Fracture or Arthritis following Treatment of Giant Cell Tumor of Bone at the Knee
859 | Gaston Chiesa (Argentina): Coexistence of McCune-Albright syndrome and rheumatoid arthritis: case report
911 | Alfons Datui (Indonesia): Functional Outcome of Modified Elbow Reconstruction After Resection of Giant Cell Tumor Distal Humerus and Literature Review
428 | Mohd Ariff Sharifudin (Malaysia): Pubertal Growth Spurt of a Fibular Osteochondroma: A Limb Salvage Pitfall Mimicking Sarcoma in a Child with MHE
605 | Michiyuki Hakozaki (Japan): Glomus Tumors: Pitfalls in Diagnosis of Atypical Cases Compared to Typical Subungual Cases
875 | Masami Hosaka (Japan): Usefulness of bone cement in operation for giant cell tumor of bone
560 | Bianca Johnson (Australia): The Use of Bonalive Synthetic Graft in the Treatment of Benign Bone Tumours and Associated Complications
665 | Hatice Karatas (Austria): Management of Incidental Enchondromas and Atypical Cartilaginous Tumors in Primary Total Knee Arthroplasty: A Retrospective Single-center Case Series
904 | Jaeyoung Lee (South Korea): Recurrence Analysis Following Surgical Treatment of Giant Cell Tumor of Bone
603 | Akira Nabeshima (Japan): Clinical and Radiographic Outcomes of Cotton-shaped β-Tricalcium Phosphate after Curettage of Hand Enchondroma
849 | Kousik Nandy (India): Giant cell tumour in pregnancy – an unusual behaviour pattern in a challenging scenario
1017 | Hideto Obata (Japan): Benign Lipomatous Tumors: Clinical Features and Outcomes of Surgical Treatment — A Single-Institution Retrospective Study
1002 | Dimitra Papagelopoulou (Greece): Artificial Intelligence in Benign Bone Tumor Imaging
991 | Dareen Rednah (Australia): should chest imaging obtain as routine in patient diagnosed with GCT to detect chest metastatic?
782 | Katharina Slota (Austria): Atypical Aggressive Lipofibromatosis-like Neural Tumor. A Case Report
796 | Kongtap Sukreerak (Thailand): Spontaneous Necrosis and Auto-Amputation of Hemangiomas in Maffucci Syndrome Following Vasopressor Therapy: A Multifactorial Cascade
381 | Bruno De Paula Leite Arruda (Brazil): Analysis of Gait and Functionality in Patients Undergoing Curettage for Intermediate Knee Tumors
724 | Emre Tepedelenlioglu (Turkey): Giant Cell Tumor of the Tendon Sheath in Acral Regions: Demographics, Localization and Prognostic Factors
889 | Jin Wang (China): Exploring the genetic landscape and immune profiling of desmoid tumors
789 | Kester Wee (Philippines): Malignant Transformation of Giant Cell Tumor of Bone: A Report of 7 Cases from a Sarcoma Referral Center in the Philippines
912 | Yong Zhou (China): Minimally Invasive Treatment of Unicameral Bone Cysts with Calcium Phosphate Cement: A Retrospective Study on Efficacy, Recurrence, and Bone Healing
1025 | Mylène J.C. Duivenvoorden (The Netherlands): Most Delay in Giant Cell Tumor of Bone Occurs Before Referral to a Sarcoma Center: A Retrospective Cohort Study
1026 | Mylène J.C. Duivenvoorden (The Netherlands): What is the Safety Profile of Long-Term Denosumab Treatment for Giant Cell Tumor of Bone? A Systematic Review
Infections II
Chairs: Adriana Hernandez Lopez (Mexico)
845 | Alan Blank (United States): Distal Femur Replacement for Oncologic vs. Non-Oncologic Indications: A Comparative Analysis of Outcomes
846 | Alan Blank (United States): Primary versus Secondary Patellar Resurfacing in Oncologic Megaprosthetic Knee Reconstruction: A Multi-institutional Retrospective Cohort Analysis
992 | Megan Badejo (United States): Infection Following Endoprosthetic Reconstruction of the Proximal Humerus: A Multi-Institutional Collaborative Study
878 | Luis Gomez (Colombia): Does Size Matter? Analyzing Stem Length and Fill Ratio as Predictors of Megaprosthetic Integration
958 | Zyad Aldosari (Saudi Arabia): Outcomes Of Lower Extremity Endoprosthetic Reconstruction For Osteosarcoma: A Single-Center Experience
978 | Maria Alves Parreira (Portugal): Bilateral Proximal Femoral Endomegaprostheses for Chronic Hip Periprosthetic Infection: Limb Salvage Surgery in a Medically Complex Patient
538 | Niklas Deventer (Germany): Long-Term Outcomes Following Reconstruction of Diaphyseal Defects of the Upper and Lower Extremities Using Diaphyseal Implants
729 | Claudia Di Bella (Australia): Outcomes of Endoprostheses around the Knee for Oncologic Indications in Australia
924 | Michele Boffano (Italy): Megaprosthesis revision in long survival patients. How to deal with older prosthesis?
993 | Fabio Fernando Eloi Pinto (Brazil): Does Intraoperative Use of Antibiotic-Impregnated Calcium Sulfate Beads Reduce Postoperative Infection in Primary Nonconventional Endoprosthetic Reconstructions?
752 | Anna Hohensteiner (Austria): Osteosarcoma and Visceral Metastases in the Hepatopancreatobiliary System
747 | Panayiotis J. Papagelopoulos (Greece): Clinical Outcomes of Periprosthetic Infections following Oncologic Megaprosthetic Reconstruction: A Retrospective Cohort Study
994 | Rapin Phimolsarnti (Thailand): Revision of Expandable Prosthesis to Another Expandable Prosthesis: The Outcome of the First Expandable Prosthesis in Thailand.
959 | Brooke Crawford (United States): Radiographic Alignment and Revision Rates of Megaprosthetics: Comparison of All-Polyethylene versus Metal-Backed Tibial Components
459 | Akira Nomura (Japan): Continuous Local Antibiotic Perfusion (CLAP) for Refractory Postoperative Infection after Bone Tumor Surgery
504 | Gene Kulesha (United States): Ex Vivo Antibacterial Efficacy of MDPB-Coated Cobalt Chromium Implants against Staphylococcus Aureus and Staphylococcus Epidermidis in Reducing Bacterial Contamination
568 | Kei Takeuchi (Japan): Short-term Clinical Outcomes and Radiographic Assessment of Compressive Osseointegration Fixation for Malignant Bone Tumors: A Single-center Experience in Japan
Megaprostheses
Chairs: Manish Agarwal (India) – Gerhard Hobusch (Austria)
153 | Elisa Pala (Italy): Distal Tibia Reconstruction after Bone Tumor Resection: A Single Center Experience
720 | Charles Baird (United Kingdom): Implant Survival and Limb-salvage Rates following Combined Proximal Tibial and Distal Femoral Endoprosthetic Replacement
808 | Mattie Raiford (United States): Resection Strategy Rather Than Reconstruction Type Influences Functional Outcomes After Oncologic Extraarticular Knee Resection
378 | Rebecca O’Keeffe (United Kingdom): Gait and Physical Activity in Patients with Proximal Tibial Replacements after Musculoskeletal Tumours – A Multidimensional Functional Outcome Assessment using the STanmore OutcoMes Project (STOMP)
386 | Galust Galustyan (Armenia): Limb Salvage Surgery for Lower Extremity Bone Tumors Using Endoprosthetic Reconstruction: A Single-Center Experience
814 | Maria Antonia Gomez-Sierra (Canada): Long-Term Outcomes of a Custom Non-Fluted Diaphyseal Press-Fit Stem in Tumor Megaprostheses With Minimum 3-Year Follow-up
24 | Seyyed Saeed Khabiri (Iran): Functional and oncological outcomes of distal femoral reconstruction in young children: A systematic review and meta-analysis
117 | Blaz Mavcic (Slovenia): Reoperation rates of megaendoprostheses: A 2010–2025 cohort study
497 | Alowa Maria Nyssen (Brazil): Long-term Survival and Failure Modes of Endoprosthetic Reconstruction after Limb-salvage Surgery for Musculoskeletal Tumors: A Single-institution Study
957 | Panayiotis J. Papagelopoulos (Greece): Risk factors for failure of endoprosthetic reconstruction with megaprostheses after musculoskeletal tumor resection
287 | Muhammad Rizqi Adhi Primaputra (Indonesia): Risk Factors of Periprosthetic Joint Infection Following Limb Salvage Surgery using Megaprosthesis in Bone Tumor Patients: A Systematic Review and Meta-Analysis
208 | Ahmad Shehadeh (Jordan): Beyond Replacment: Evaluating the Mid-Term Outcome of Joint-Sparing Implants
545 | Jun Sugaya (Japan): Characteristics of Cementless THA and BHA Reconstruction following Proximal Femoral Bone Tumor Resection at our Institution
162 | Gwen Sys (Belgium): Attaining the Planned Femoral Rotation During Surgery Remains Challenging in Endoprostheses of the Distal Femur
187 | Harsha Tadala (India): Oncologic and functional outcomes after excision of proximal femur primary bone tumours and bipolar endoprosthetic replacement
442 | Pavan Kumar Reddy Thumma (India): MESH-CAP: A Tensioned Mesh Capsular–Abductor Reconstruction Technique to Prevent Dislocation and Improve Abductor Function Following Wide Local Excision with Proximal Femur Megaprosthesis — A Case Series of 12 Patients
836 | Nor Faissal Yasin (Malaysia): Outcome of constrained acetabular liners in an orthopaedic oncology practice: A short-term review
953 | Jasprit Kaur (United Kingdom): Proximal tibia resection for primary and metastatic bone tumors with reconstruction using a novel tuberosity-sparing proximal tibial endoprosthetic replacement
Metastases
Chairs: Michal Mahdal (Czech Republic) – Valentin Gruber (Austria)
1023 | Moh. Asri Abidin (Indonesia): Patient Reported Outcome Measure of Intramedullary Nailing for Complete Metastatic Subtrochanteric Femoral Fractures: A Single-Centre Indonesian Experience
135 | Ukei Anazawa (Japan): Minimally Invasive Screw Fixation with Tumor Curettage and Bone Cement for Acetabular Bone Metastases: A Report of Five Cases
270 | Chun Yen Chen (Taiwan): Risk of Local Progression and Distal Seeding in Femur and Humerus Pathologic Fractures Managed with Intramedullary Nailing: A Competing Risk Analysis
821 | Krista Goulding (United States): Impact of Social Determinants of Health on Postoperative Outcomes Following Surgical Treatment of Pathologic Proximal Femur Fractures
719 | Maegan Tibbo (United States): Mean Inflation-adjusted Surgeon Reimbursement for Prophylactic Treatment of Impending Femur Fractures has Decreased Over 60% from 2000 to 2024
28 | Edoardo Ipponi (Italy): Electrochemotherapy in pelvic and vertebral bone metastases: A single institution experience in terms of local and systemic outcomes
552 | Cheng-Yo Lai (Taiwan): The Impact of Nutritional and Psychological Status on Clinical Outcomes in Patients with Bone Metastases Undergoing Orthopedic Surgery: A Prospective Cohort Study
574 | Francis Lee (United States): Percutaneous Joint Preserving Stabilization for Ipsilateral Femoral and Acetabular Metastases: Clinical Outcomes and Functional Improvement
639 | Zhen Chang Liang (Singapore): First-presentation Metastatic Bone Disease in a Well-resourced Healthcare System: A Case Series from Singapore and Implications for Screening
282 | Bennie Lindeque (United States): Retrospective Review of Renal Cell Carcinoma Patients with Bone Metastases
441 | Sei Morinaga (Japan): Internal Fixation in Femoral Metastases: Functional Recovery and the Prognostic Impact of Early Postoperative Complications
1010 | Jennifer Paskins (United Kingdom): OXMINT – a unique and dedicated Metastatic Bone Disease service
245 | R.Lor Randall (United States): Outcomes of Operative Versus Nonoperative Treatment for Humerus Metastatic Disease
652 | Kyung-Jun Sin (South Korea): Clinical Outcome of En Block Resection for Metastatic Bone Cancer
554 | Ryu Terauchi (Japan): Surgical Intervention and Prognostic Factors in Patients with Initial Pulmonary Metastases from Soft Tissue Sarcoma
112 | Karl Wu (Taiwan): Retrograde Intramedullary Nailing With Cement Augmentation for Distal Femoral Metastatic Pathologic Fracture: A Limb-Salvage Strategy for Early Mobilization
544 | Hung-Kuan Yen (Taiwan): Timing of Metastasis Presentation Matters in Extremity Bone Disease – A Comparison between Initial Manifestation and Metachronous Presentation
546 | Hung-Kuan Yen (Taiwan): Impact of Pre-Diagnostic Anemia on the Risk of Skeletal-related Events in Patients with Breast Cancer
267 | Emir Mustaqim Zulkharnain (Malaysia): Atraumatic Left Femoral Neck Fracture in Diffuse Skeletal Metastases Treated with Endoprosthetic Reconstruction: A Case Report
636 | Qinxiang Shant Sin (Singapore): Outcomes of Minimally Invasive Percutaneous Tripod Screw Fixation for Peri-Acetabular Metastases: Early Experience from a Tertiary Care Centre
973 | Mattie Raiford (United States): Photodynamic Nail Fixation Provides Durable Stabilization for Pelvic Metastases Despite Local Disease Progression
Paediatric Patients
Chairs: Jong Woong Park (South Korea) – Markus Hanna (Austria)
1012 | Qinxiang Shant Sin (Singapore): Demographical analysis of pediatric patients undergoing amputation for extremity Sarcoma: A Large single Institution series
8 | Humaid Al Farii (Oman): Risk of Chondrosarcoma Transformation from Multiple Hereditary Exostosis under the age of 18, and suggestion for Screening Protocol. Literature Review
926 | Saud Alsubaie (Saudi Arabia): Comparative Outcomes of Allografts, Endoprostheses, Allograft-Prosthetic Composite and Vascularised Grafts for Proximal Femur Reconstruction in Pediatric and Adolescent Sarcoma: A Systematic Review and Meta-Analysis
735 | Nicolas Casales (Uruguay): Multifocal Giant Cell Tumor with Extensive Sacral Disease in a 13-year-old Patient: An Exceptionally Rare Presentation with Durable Control
237 | Costantino Errani (Italy): Outcomes of In-House Designed 3-Dimensional-Printed Cutting Guides for Intercalary Resection and Massive Bone Allograft Reconstruction in Children with Malignant Bone Tumors
723 | Keiko Hayakawa (Japan): Long-term Outcomes of Expandable Prostheses for Primary Malignant Tumors for Lower Limb in Children
706 | Reynaldo Jesus-Garcia (Brazil): Double Vascularized Fibular Graft Achieves Universal Union in Femoral Reconstruction after Bone Tumor Resection
872 | Tao Ji (China): Uncemented/3D Printed Stems for Revision of Endoprostheses – Preliminary Clinical Outcomes
960 | Leonie Kutscha-Lissberg (Germany): Long-Term Spinal Deformities, Function And Quality Of Life After SurgicalTreatment Of Pediatric Spinal Sarcomas
171 | Rodanthi Margariti (Greece): Metastatic Risk and Local Recurrence in Pediatric Soft Tissue Sarcomas: A Single-Center Experience
873 | Ong Shir Lee (Malaysia): Infection masquerading Malignancy? BCOR-Altered Sarcoma masqueraded as Osteomyelitis over the Great Toe in paediatric age group
584 | Pawan Kumar Suthar (India): Role of Growth Modulation in Knee Deformities Secondary to Benign Bone Tumors
192 | Nobuhiko Yokoyama (Japan): Skeletal Muscle Mass Change During Treatment for Localized Bone and Soft Tissue Sarcomas in Adolescents and Young Adults
154 | Elisa Pala (Italy): Chondroblastoma: A Single Center Experience and Review of the Literature
29 | Juan Chaustre (Colombia): Reproducible Allograft–Prosthetic Composite Reconstruction of the Proximal Femur in Children at Extreme Pediatric Age Using a Proximal Humerus Allograft
Pelvic Reconstructions II
Chairs: Steven Thorpe (United States) – Wan Ismail Wan Faisham Numan (Malaysia)
925 | Zeeshan Khan (Pakistan): Clinical and functional outcomes following P1 resection for pelvic tumors: A comparative analysis between resection alone and resection with reconstruction
795 | Chandhanarat Chandhanayingyong (Thailand): Eliminating Manufacturing Delay for Customized 3D-Printed Pelvic Prostheses Increases Operative Burden but Shortens Overall Hospitalization
506 | Marian Kubíček (Czech Republic): Vascularized Lower-leg Fillet Flap for Defect Coverage after External Hemipelvectomy: A Two-Case Experience
97 | Himanshu Rohela (India): Extracorporeal radiotherapy treated auto-graft prosthetic osteo-articular complex pevic reconstruction following periacetabular tumour resection- A favourable alternative
874 | Santiago Lozano-Calderón (United States): Sustained Improvements in Ambulatory Function and Physician-Reported Outcomes Following Minimally Invasive Photodynamic Nail Stabilization of the Pelvis
835 | Michiko Sakai (Japan): Salvage Reconstruction Using a Contralateral Vascularized Fibular Graft After Failed Pelvic Ring Reconstruction with a Non-vascularized Fibular Graft in Primary Iliac Ewing Sarcoma: A Case Report
745 | Mandip Shah (India): Do We Really Need a Bony Reconstruction after Internal Hemipelvectomy? A Retrospective Analysis of 64 Patients Undergoing Femoro-pelvic Pseudoarthrosis
746 | Jingnan Shen (China): Comparison of Clinical Outcomes between Preserved Femoral Head and Nonpreserved Femoral Head in Hemipelvic Reconstruction following Resection of Periacetabular Sarcomas
669 | Tomas Tomas (Czech Republic): Two-stage Reconstruction Procedure after Pelvic Resections
593 | Charles Abraham Villamin (Philippines): Repurposing Arthroplasty and Spine Implants as Frugal Innovation in the Reconstruction of Type 2 Pelvis Resection – A Report of 4 Cases
586 | Haijie Liang (China): Long-term Outcomes of 3D-printed Hemipelvic Endoprostheses after Enneking Type II/II+III Periacetabular Tumor Resection: A Single-center Matched Cohort with Reduced Sacroiliac Diastasis and Improved Function
633 | Evrim Sirin (Turkey): Oncological, Functional and Clinical Outcomes of Extra-articular Hip Resection for Primary Bone Sarcomas; A Single-center Experience
844 | Alan Blank (United States): 3D Pelvic Reconstruction Following Hemipelvectomy: A Multi-Institutional Case Series
Robotics
Chairs: Hiroyuki Tsuchiya (Japan) – Duncan Whitwell (United Kingdom)
205 | Vivek Ajit Singh (Malaysia): AI-Enhanced Chest Radiography as a Screening Tool for Lung Metastasis in Sarcoma
817 | Jorge Cabrolier (Chile): Misinformation in Sarcoma-Related Content Across Major Social Media Platforms: A Cross-Sectional Analysis
818 | Jorge Cabrolier (Chile): Agreement Between a Large Language Model and Multidisciplinary Tumor Board Decisions in 120 Consecutive Initial Sarcoma Cases
221 | Tolgahan Cengiz (Turkey): Comparing Orthopedic Residents and Artificial Intelligence in Musculoskeletal Oncology Knowledge
91 | Chaowei Ding (China): Clinical Study of navigation-assisted Osteoid Osteoma Resection
820 | Anastasiya Drandarov (United States): Using machine learning to improve accuracy in predicting pathologic fracture risk in cancer patients with bone metastases
895 | Suraj Hindiskere (India): Rapid Generation Of Virtual And 3D-Printed Anatomical Models For Bone Tumour Surgery: A Turnaround Time Analysis Of An In-house 3D Lab
750 | Minna Laitinen (Finland): Can Artificial Intelligence (AI) with Deep Learning Models Reliably Differentiate Between Normal, Benign and Malignant Primary Bone Tumours on Plain X-ray?
570 | Min Wook Joo (South Korea): Three-dimensional Deep Learning–based Prediction of Proximal Femoral Pathologic Fracture Leveraging Opportunistic Abdominopelvic CT in Patients with Advanced Cancer
580 | Wei-Hsin Lin (Taiwan): Mixed Reality-aided Excision of Recurrent/Residual High-grade Soft Tissue Sarcomas with Challenging Margins after Initially Unplanned Surgery
83 | Satoshi Okita (Japan): Safe tumor-wide resection for sternal chondrosarcoma using robot-assisted thoracoscopic surgery in collaboration with thoracic surgeons. A case report
891 | Giuseppe Francesco Papalia (Italy): The role of intraoperative CT-guided navigation system in pelvic tumor resection surgery
375 | Kenneth Rankin (United Kingdom): SarcoSIGHT – A Randomised Controlled Trial of Fluorescence Guided Sarcoma Surgery versus Standard of Care
730 | Satoshi Takenaka (Japan): CT-based Validation of Mixed Reality–integrated 3D Preoperative Planning in Complex Bone Tumor Resection
834 | Janista Wongratanacheewin (Thailand): Unmasking Challenges: Evaluating the Accuracy of AI Hip Fracture Detection in Pathological Fracture Cases and Its Clinical Implications
362 | Arthur Woo (Hong Kong): Understanding the Unseen – A Mixed Reality Platform for Immersive Orthopaedic Oncology Simulation Training
482 | Xiaobo Yan (China): A Preliminary Exploration of the Role of Robot-Assisted Surgery in the Separation Surgery of Spinal Metastatic Tumors
880 | Tomas Zamora (Chile): Comparison of Large Language Models and Human Specialists on a Clinical Knowledge Test in Musculoskeletal Oncology
Sarcoma Registries
Chairs: Wakenda Tyler (United States) – Yao Weitao (China)
881 | Eduardo Sadao Yonamine (Brazil): Epidemiology and Histopathological Spectrum of Soft Tissue Tumors of the Hand: A 24-Year Retrospective Analysis
298 | Nathan Donaldson (United States): Change in Opioid Prescribing Among Childhood Sarcoma Patients: A Tale of Two Eras
556 | David Alejandro Herrera (Brazil): Ligament Stability and Functional Assessment in Patients with Wide Resection of the Proximal Fibula
239 | Thomas Hilton (South Africa): Poor Prognostic Features Among Soft Tissue Sarcoma Patients: Analysis Based on the First Sarcoma Registry in South Africa
204 | Adam Levin (United States): Do We All Call It The Same: An Inter-Rater Reliability Analysis of the Musculoskeletal Tumor Registry Data Elements
861 | Rohith Mutt (India): Establishing a Regional Sarcoma Hub: A 3-Year Experience with 724 Patients in Northern India
227 | Charukit Siritham (Thailand): Disseminated Cutaneous Metastases Including the Scalp in Primary Extrauterine Leiomyosarcoma: A Case Report of Rapid Fatal Progression
431 | Marisa Ulrich (United States): Large Language Model Extraction of Structured Data in Unstructured Sarcoma Pathology Notes: A Pilot Study
Soft Tissue Sarcomas III
Chairs: Hairong Xu (China) – Eric Mascard (France)
968 | Patricio Alfaro (Chile): Prognostic Factors in Soft Tissue Sarcoma: Multicenter Chilean Cohort
981 | Tobias Becker-Tonnerer (Austria): Secondary lymphedema due to myxoinflammatory fibroblastic sarcoma: a case report
792 | Valerae Lewis (United States): Risk factors for return to the operating room for seromas after wide resection of soft tissue sarcomas of the thigh
423 | Muni Srikanth Iytha (India): Limb Salvage for Monophasic Synovial Sarcoma of the Wrist with Radial Artery Proximity: A Case Report
772 | Natalie Green (United Kingdom): Epithelioid Sarcoma: A Retrospective Review from a Single Centre Tertiary Orthopaedic Sarcoma Unit
983 | Asle Hesla (Sweden): Effect of Surgical Margins on Local Recurrence Patterns of Myxofibrosarcomas: A Retrospective Cohort Study From the Stockholm Sarcoma Centre
101 | Shoufeng Wang (China): Reconstruction of soft tissue defect after resection of soft tissue sarcoma in extremeties with a free vascularized anterolateral thigh flap
771 | Amar Kamat (India): Does Immediate Plastic Surgery Reconstruction in Soft Tissue Sarcoma of the Limb Reduce Post-operative Wound Complications in Patients Receiving Pre-operative Radiotherapy
961 | Milad Makdis Mouso (The Netherlands): Clinical efficacy and safety of radiotherapy combined with hyperthermia for soft tissue sarcoma: A systematic review
842 | Suphakorn Metavorrananchai (Thailand): The impact of fungating morphology on local recurrence-free survival in high-grade soft tissue sarcoma: A retrospective cohort study
778 | Chase Nowaczyk (United States): High Local Recurrence Rates in Patients Diagnosed with Myxofibrosarcoma
985 | Anna Maria Rachbauer (Germany): Reconstruction Using Tumor Endoprostheses After Resection of Soft Tissue Sarcomas
986 | Anna Maria Rachbauer (Germany): Outcome After Re-resection of Soft Tissue Sarcomas Following “Whoops”-Procedures
764 | Bas Schuitema (The Netherlands): A Nationwide Study on Complications after Pediatric Extremity Soft Tissue Sarcoma Surgery
908 | Guido Scoccianti (Italy): Long-term follow-up of localized distal extremity synovial sarcomas: confirmed high overall survival, but be aware of late local recurrences
901 | Ying Jin Tan (Singapore): A Tale of Two Hips: Early Metastatic Progression in Pleomorphic Liposarcoma
888 | Cihan Ünyılmaz (Turkey): When Can Biopsy Be Avoided in Lipomatous Soft Tissue Masses?A Clinical and MRI-Based Decision Study
868 | Hazem Wafa (Belgium): Gait analysis after limb-salvage surgery in adults with deep soft tissue sarcomas of the thigh: a case-control study
1016 | Guowen Wang (China): Postoperative High-Dose-Rate Interstitial Brachytherapy for Soft Tissue Sarcoma Adjacent to Major Neurovascular Structures: A Single-Center 10-Year Retrospective Study
870 | Detnarong Wannapet (Thailand): Accuracy of molecular analysis by fine needle aspiration biopsy in distinguish low-grade lipomatoustumors
84 | Bhim Shreemal (United Kingdom): Oncologic Outcomes And Prognostic Factors In Alveolar Soft Part Sarcoma: A 30-Year Retrospective Cohort Study From A Single Center
Spine and Sarcal Tumours
Chairs: Salin Patel (United States) – Andrea Angelini (Italy)
525 | Shalin Patel (United States): The Use of a Custom 3D-printed Patient-specific Native PEEK Implant for Complex En Bloc Spinal Sarcoma Resection and Reconstruction
784 | Jürgen Alphonsus (Austria): Multidimensional Patient-reported Outcomes after Treatment of Metastatic Spinal Disease: Convergent Validity of Disease-Specific, Legacy and PROMIS Instruments in a Single-center Cohort
625 | Mohammad Hardian Basuki (Indonesia): En Bloc Sacrectomy for Sacral Chordoma: A Single-center Experience with Functional and Oncologic Outcomes
416 | Weidong Chen (China): Clinical Application of a Prospectively Designed Algorithm for the Vertebral Space-Occupying Lesions: A Single-Center Retrospective Cohort Study
976 | Philipp Funovics (Austria): Risk-Adapted Use of Navigation Improves Pedicle Screw Accuracy in Oncologic Spine Surgery with High Anatomical Complexity
315 | Mustafa Onur Karaca (Turkey): Comparison of Prognostic Models and Clinical Outcomes in Pathological Spinal Involvement
48 | Chang-Bae Kong (South Korea): Feasibility and Oncologic Outcome of En Resection with Intentional Tumor Transgression in Primary Spinal Sarcoma: The Korean Society of Spinal Tumors Multicenter Study (KSST 2024-02)
148 | Yoshihiro Matsumoto (Japan): Impact of Tumor Biology and the Feasibility of Gross Total Resection on Survival in Malignant Spinal Dumbbell Tumors
127 | Pocholo Iñigo Morales (Philippines): Outcomes of the Use of the NextAR Intraoperative CT Navigation with Icotec Carbon-Fiber Pedicle Screws for Spinal Fusion in Orthopedic Tumor Surgery: A Case Series
461 | Marcio Moura (Brazil): Assessment of Scoring Systems for Surgical Indication Inpatients with Vertebral Metastases
436 | Robert Nakayama (Japan): Clinical Outcomes of Lumbosacral Tumor Resection with Sacroiliac Joint Reconstruction
775 | Muhammad Nizar (Indonesia): A Case Report of Sacrococcygeal Chordoma with Intra-abdominal Adhesion: Diagnosis and Management
801 | Ahmet Salduz (Turkey): Impact of Sacral Resection Level and Reconstructive Strategy on Postoperative Wound Complications in Sacral Tumor Surgery
803 | Ahmet Salduz (Turkey): A Sacrum–L5 Anchored Custom 3D-Printed Implant for Reconstruction After Sacrum-Including Internal Hemipelvectomy: A Three-Case Design Concept
876 | Eduardo Sadao Yonamine (Brazil): Primary Sacral Tumors: Evolution of a Combined Surgical Technique and Its Impact on Oncologic and Functional Outcomes
Upper Extremity
Chairs: Nina Myline Engel (Germany) – Fabrice Fiorenza (France)
524 | Shea Byrne (United Kingdom): Endo-prosthetic Reconstruction versus Vascularized Free Fibula Flap after Proximal Humerus Malignant Bone Tumor Resection in Children (≤16 years): A Single Centre Experience
838 | Chung Ming Chan (Singapore): Graft Scapho-Lunate Fusion for Stage 3 Giant Cell Tumor of the Distal Radius
810 | Dawid Ciechanowicz (Poland): The One-Bone Forearm as a method of limb salvage in a complex case of paroosteal osteosarcoma
307 | Bilgehan H. Cevik (Turkiye): A Step-wise Decision-making Approach to Manage a Large Segmental Humeral Defect Post-primary Bone Tumor Resection
190 | Praveen Gupta (India): Internal Ray Excision: An Innovative Method for Tumors of Small Bones of Hands and Feet to Preserve the Functional and Cosmetic Outcomes
675 | Tsung-Yu Ho (Taiwan): Surgical Management of Distal Radius Tumors: Institutional Experience with Adjuvants and Reconstruction Strategies
263 | Zi Xiong Lei (China): Application of Customized 3D-Printed Prostheses in Reconstruction after En-Bloc Resection of Bone Tumors in the Upper Limb
180 | Chiao Yee Lim (Malaysia): Reconstruction of Elbow Joint for BCOR Sarcoma in Pediatric Patient: Report of Biological Reconstruction with Free Vascularized Fibular Graft
851 | Yu-min Lin (Taiwan): The Results of Hand Phalangeal Bone Tumors Treatment
577 | Bryan S. Moon (United States): A Newly Reported KIFC1:PHF1 Fusion in High-Grade Small Cell Sarcoma of the Scapula Treated with a Custom Total Scapular Implant with Reverse Total Shoulder Arthroplasty
892 | Twindy Rarasati (Indonesia): Experience about Giant Cell Tumor Around the Wrist in a Tertiary Referral Hospital in Surabaya, Indonesia
610 | Venkatesan Sampath Kumar (India): Functional Outcomes of Prolene Mesh Suspension of the Humerus following Scapulectomy for Aggressive or Malignant Scapular Tumors
542 | Hanako Tsuji (Japan): Oncologic and Functional Outcomes after Wide Excision for Malignant Bone and Soft Tissue Tumors Distal to the Elbow: A Long-term Retrospective Case Series
177 | Megan Badejo (United States): A Multicenter Comparison of Reverse Total Shoulder Arthroplasty Versus Hemiarthroplasty for Endoprosthetic Reconstruction Following Oncologic Resection of the Proximal Humerus
228 | Zeeshan Khan (Pakistan): Functional and Oncological Outcomes following Proximal Humerus Resection and Reconstruction in Bone Tumor Patients
Chairs: Shreyaskumar R. Patel (United States) – Eric Mascard (France)
12:00 | 346 | Introductory lecture | Chandhanarat Chandhanayingyong (Thailand): Dual Target Landscape in Osteosarcoma (GD2 and B7-H3): Preclinical Validation of Next-Generation CAR T-Cell Design
12:10 | 52 | Jiuhui Xu (China): Driving Chordoma Progression: Mechanisms of Fibrous Septa Formation and Composition
12:13 | 69 | Qianyu Shi (China): Intratumoral Microbiome Signature Predicts Lung Metastasis in Osteosarcoma: A Prospective Study of 96 Cases
12:16 | 124 | Leilei Xu (China): Ph-Responsive Drug-Loaded Hyaluronic Acid Nanoparticle for Che-Immunotherapy in Osteosarcoma Treatment
12:19 | 246 | David Geller (United States): Targeting Skp2 Reshapes the Osteosarcoma Ecosystem: Single-Cell Insights into Metastasis Suppression and Immune Activation
12:22 | Discussion
12:30 | 262 | Zhaoming Ye (China): Neutrophil-Mediated Iron Sequestration is a Convergent Resistance Mechanism of Chemotherapy and Immunotherapy in Osteosarcoma
12:33 | 269 | Tingting Ren (China): Organoid Cultures as Preclinical Models of Sarcoma
12:36 | 948 | Charles Baird (United Kingdom): Characteristics of Giant Cell Tumour of Bone in the skeletally immature
12:39 | 373 | Andrea Sambri (Italy): Molecular Markers of Metastatic Bone Disease
12:42 | Discussion
12:50 | 411 | Hsiang Chieh Hsieh (Taiwan): Temporal and Anatomical Patterns of Subsequent Skeletal-Related Events after an Initial Event in Lung Cancer and Hepatocellular Carcinoma
12:53 | 439 | Yoshiro Yoshikawa (Japan): High Incidence of Ewing Sarcoma in Okinawa: Investigating the Causes of Geographic Clustering Through Whole-Genome Analysis
12:56 | 531 | David Geller (United States): Neuropilin-2 as a Therapeutic Target in Osteosarcoma: Spatial Transcriptomics and In Vivo Testing of a Clinic-Ready Anti-Neuropilin-2 Antibody
12:59 | 640 | Chenglong Chen (China): Synergistic Defect-driven Chemocatalysis and Ultrasound-activated Piezocatalysis by Two-dimensional SnSe Nanosheets
13:02 | Discussion
13:10 | 690 | Susan McDowell (United States): Biomechanics Properties and Elution Profiles of Zoledronic Acid and Denosumab-laden Bone Cement for Musculoskeletal Tumor Applications: A Comparative Analysis
13:13 | 899 | Minal B Shivaprakash (India): Mallet Effort Scale: A Reproducible Five-Point Language for Surgical Mallet Strikes
13:16 | 833 | Janista Wongratanacheewin (Thailand): Tendency of Gut Microbiota and Their Metabolites to Modulate Anti-Tumor Immunity in Osteosarcoma: A Preliminary Study at Srinagarind Hospital.
13:19 | 175 | Phakamani G Mthethwa (South Africa): Unique Gene Expression Profiles within South Africa are Associated with Varied Chemotherapeutic Responses in Conventional Osteosarcoma
13:22 | Discussion
Chairs: Wei Guo (China) – Jendrik Hardes (Germany)
10:00 | 166 | Introductory lecture | Lee Jeys (Finland): Global Practice Patterns in Pelvic Reconstruction after Bone Tumour Resection: A Multicentre Survey on the Use and Complications of Pedestal Cups and Custom-Made Prostheses
10:10 | 51 | Francisco Principe (Argentina): What Outcomes Can Be Expected After Surgical Treatment of Primary Pelvic Bone Sarcomas in Children at Referral Centers?
10:13 | 54 | Roberto Velez (Spain): Two-stage protocol for pelvic sarcoma resection and reconstruction with custom pelvic prosthesis
10:16 | 139 | Weibin Zhang (China): Mid-term Functional Outcomes and Complications After Pelvic Tumor Resection and Customized Prosthetic Reconstruction
10:19 | 236 | Costantino Errani (Italy): Is Acetabular Reconstruction with Massive Bone Allograft a Surgical Option for Children with Malignant Bone Tumors of the Pelvis?
10:22 | 301 | Li Min (China): Clinical Application of 3D-Printed Custom Hemipelvic Prostheses with Negative Poisson’s Ratio Porous Structures in Reconstruction after Resection of Pelvic Malignant Tumors
10:25 | Discussion
10:35 | 334 | Junxiang Wen (China): Effectiveness Evaluation of Three-Dimensional Printed Customized Modular Hemi-Pelvic Prosthesis for Pelvic Reconstruction after Resection of Pelvic Tumor
10:38 | 426 | Alexander Lazarides (United States):
Custom 3D-Printed Pelvic Reconstruction versus Flail Pelvis Following Oncologic Resection of Periacetabular Tumors: A Multi-Institutional Comparative Outcomes Study
10:41 | 623 | Philip Rowell (Australia): Outcomes of Anti-Protrusio Cage Reconstruction for Metastatic Acetabular Disease
10:44 | 790 | Manu Paul (India): Is restoration of pelvic ring continuity truly necessary? A 10-year single-centre experience with P1/P2 pelvic resections for primary malignant bone tumours
10:47 | 917 | Yong Zhou (China): Short-to-mid-term outcomes of ipsilateral femoral head autograft combined with uncemented total hip replacement for partial periacetabular defects following tumor resection
10:50 | Discussion
Chairs: Burkhard Lehner (Germany) – Rob Pollock (United Kingdom)
09:00 | 410 | Introductory lecture | Gitte Krebbekx (The Netherlands): Quality of Life after Rotationplasty for Lower Extremity Sarcoma: A Systematic Review and Meta-analysis
09:10 | 131 | Jendrik Hardes (Germany): Adhesion Behavior of Human Fibroblasts on Porous Polymer-Based Topographies – Impact of Polymer Composition and Titanium Coating
09:13 | 194 | Frank Traub (Germany): Bone-Anchored Endo-Exoprostheses in Clinical Practice: Early Outcomes from a Multicenter Cohort
09:16 | 209 | Ahmad Shehadeh (Jordan): Beyond the Socket: Principles, Techniques and Cost Effectivenss of Osseointegration for Amputees
09:19 | 520 | Supraja Kadagandla (United States): Adverse Events and Patient-reported Outcomes with Osseointegrated Prostheses for Transfemoral Amputees
09:22 | 537 | Brandon Gettleman (United States): Postoperative Complication Burden Drives Amputation after Limb Salvage for Extremity Sarcoma
09:25 | Discussion
09:35 | 826 | Alexander Mericli (United States): From Amputation to Integration: A Novel Osteocutaneous Tibial Free Flap for Residual Limb Lengthening to Facilitate Osseointegrated Prosthesis Placement after Transfemoral Pleomorphic Sarcoma Resection
09:38 | 600 | Qinxiang Shant Sin (Singapore): Utilising Spare Part Surgery Principles with Fillet Flap and a Tibial Turn-up Procedure to Increase Functional Stump Length in Below-knee Amputations
09:41 | 741 | Munjed Al Muderis (Australia): Effectiveness of Osseointegration for Rehabilitation of Amputees
09:44 | 742 | Munjed Al Muderis (Australia): Motorised Internal Lengthening of Long Bones for Residual Limb Lengthening Prior to Osseointegration
09:47 | 559 | Jonathan Forsberg (United States): What Outcomes can be Expected with Osseointegrated Prostheses in Oncology Patients with Transfemoral Amputations?
09:50 | Discussion
Chairs: Alexander Lazarides (United States) – Harzem Özger (Turkey)
8:00 | 240 | Introductory lecture | Thomas Hilton (South Africa): Major Differences in Disease Presentation and Outcomes for Patients with Pathological Fractures in Cape Town and Stockholm
8:10 | 66 | Christian Lind Nielsen (Denmark): Dovetail Osteotomies Enhance Rotational Stability and Reduce Plate Stress in Intercalary Femoral Allograft Reconstruction
8:13 | 188 | Christian Pauritsch (Austria): Safety of Tumor Endoprostheses in the Magnetic Resonance Imaging Environment
8:16 | 672 |Tao Ji (China): Single Lateral Approach for Pedicle Vascularized Fibular Harvesting, Tumor Resection and Composite Reconstruction in Pediatric and Adolescent Distal Tibial Tumors
8:19 | Discussion
8:29 | 218 | Alyssa Federico (Canada): Systematic Review and Meta-Analysis of Percutaneous Fixation Techniques for Metastatic Bone Disease in the Pelvis
8:32 | 300 | Alpan Doshi (United Kingdom): Segmental Arthrodesis for Limb Salvage: A Tertiary Centre Review
8:35 | 598 | Muhammad Phetrus Johan (Indonesia): Clinical and Functional Outcomes of Percutaneous Ablation–Osteoplasty–Reinforcement–Internal Fixation (AORIF) in Metastatic Periacetabular Bone Disease: A Case Series from Indonesia
8:38 | 199 | Guido Scoccianti (Italy): Acetabular Erosion after Hemiarthroplasty in Proximal Femoral Megaprostheses in Orthopedic Ancology – Mid-to-long-term Results
8:41 | Discussion
Chairs: Min Wook Joo (Rep. of Korea) – Hazem Wafa (Belgium)
12:00 | Introductory lecture | Daniel Kotrych (Poland): Custom-made solutions – Are they worth the cost?
12:10 | 38 | Ran Wei (China): What is the Clinical Outcome of Limb-salvage Surgery for Primary Pelvic Malignancy Involving Both Acetabulum and Hemisacrum?
12:13 | 345 | Li Min (China): Clinical Evaluation of the Three-Dimensional Printed Strut-Type Prosthesis Combined with Autograft Reconstruction for Giant Cell Tumor of the Distal Femur
12:16 | 182 | Han Wang (China): Efficacy of ICG-Based NIR Angiography in Assessing Intraoperative Wound Perfusion for Bone and Soft Tissue Surgery
12:19 | 343 | Liu Yuan (China): Hip Reconstruction Using a Customized Intercalary Prosthesis with the Rhino Horn-Designed Uncemented Stem for Ultrashort Proximal Femur Segments Following Tumor Resection: A Combined Biomechanical and Clinical Study
12:22 | Discussion
12:30 | 290 | Giovanni Beltrami (Italy): Custom Made 3D Printed Titanium Prosthesis after Bone Tumor Resection in Pediatric Age: How New Technologies Overcomes Conventional Reconstruction Limits
12:33 | 352 | Liu Yuan (China): Early Clinical Outcomes of a 3D-Printed Porous Metallic Prosthesis for Treating Campanacci Grade I–II Giant Cell Tumor of the Proximal Tibia
12:36 | 477 | Yongsung Kim (South Korea): Clinical Outcomes and Complications after Total Femur Replacement: A Descriptive Analysis from Two Tertiary Referral Centers
12:39 | 356 | Li Min (China): Efficacy of Three-Dimensional Printed Customized Porous Prosthesis with Preserved Articular in the Reconstruction of “Ultra-Critical Size” Bone Defect around the Metaphysis of Peri-Knee
12:42 | Discussion
12:50 | 434 | Prakash Nayak (India): Results of the MITE (Metal Ions in Tumour Endoprosthesis) Study- A Prospective Study of Serum Metal Ion Levels in Patients Undergoing Revision of a Fixed Hinge Endoprosthesis
12:53 | 987 | Eiji Nakata (Japan): Stress Shielding–Related Bone Resorption and Prosthetic Failure After Proximal Femoral Endoprosthetic Reconstruction for Primary Malignant Bone Tumours
12:56 | 471 | Vineet John Kurisunkal (United Kingdom): High Complication Rate and Poor Prognosis of Radiation-associated Bone Sarcoma in the Pelvis: A Single Center Retrospective Study
12:59 | 997 | Dimitra Papagelopoulou (Greece): Physical Activity and Quality of Life after Tumor Resection Around the Knee and Limb Salvage
13:02 | Discussion
13:10 | 686 | Gerhard Maale (United States): Results of Lymphocyte Transformation Testing in Known Cases of PJI
13:13 | 777 | Ritvik Kakumani (United States): The Impact of Metal-ion Hypersensitivity (MIH) on the Recurrence of Infection in Patients Treated using the One-stage Approach for PJI
13:16 | 837 | Marisa Ulrich (United States): Do Changes in Serum Metal Ion Concentrations Impact Cardiac Function in Patients with an Endoprosthesis? Results of a Prospective Study
13:19 | 81 | Hans Roland Dürr (Germany): Correlation of blood metall ion values (chromium and cobalt) with gait parameters after megaprothetic knee replacement.
13:22 | Discussion
Chairs: Michele Boffano (Italy) – Mehmet Ali Deveci (Turkey)
10:00 | Introductory lecture | Nicholas Bernthal (United States): Targeted therapy for tenosynovial giant cell tumour – Worth the costs?
10:10 | 58 | Hans Roland Dürr (Germany): Tenosynovial giant cell tumour (PVS) – A long-term study
10:13 | 210 | Ahmad Shehadeh (Jordan): The Outcome of Cryosurgical Ablation for Bone Tumors, a Comparative Study between Open and Closed Systems
10:16 | 291 | Guido Davide (Italy): Benign Aggressive Bone Lesion of Proximal Femur in Small Children, when Biology Overcomes or Integrates Conventional Plate: Our Algorithm for Surgical Decision Making
10:19 | 309 | Amy Zeller (United States): A Propensity Matched Analysis of 1,101 Patients with Tenosynovial Giant Cell Tumor Undergoing TKA: Impact of Prior Surgical Resection and Pexidartinib Usage on Complications
10:22 | 483 | Sydney Stern (United States): Impact of Arthroplasty on Patient-reported Outcomes in Diffuse Tenosynovial Giant Cell Tumor: A Real-world Propensity-score-matched Analysis
10:25 | Discussion
10:35 | 579 | Hung-Kai Weng (Taiwan): A Bone-chilling Approach to Tumor Control: Clinical Experience with Adjuvant Cryotherapy
10:38 | 767 | Noam Olshinkaa (Israel): Combined High Speed Burr with Argon Beam is an Effective Local Adjuvant for Benign Aggressive Bone Tumors
10:41 | 886 | Cihan Ünyılmaz (Turkey): Which Local Adjuvants Are Safer for Healthy Bone? Comparative histopathologic and MRI evaluation of local adjuvants in a rat bone defect model
10:44 | 59 | Hans Roland Dürr (Germany): Tenosynovial giant cell tumour (TGCT) of the hip – A challenge
10:47 | 418 | Zachary Reuter (United States): Proliferative Disease of the Shoulder Girdle: A Retrospective Case Review of Patients with Tenosynovial Giant Cell Tumor or Synovial Chondromatosis
10:50 | Discussion
Chair: Justin E. Bird (United States) – Fabrice Fiorenza (France)
09:00 | Introductory lecture | Andrea Angelini (Italy): Therapeutic approaches in patients with spine metastases (10’
09:10 | 56 | Michelle Ghert (United States): The Proximal Femur Reconstruction or Internal Fixation For Metastases (PERFORM) randomized controlled trial
09:13 | 376 | Mustafa Onur Karaca (Turkey): Comparison of Short-Term Outcomes of Tumor Resection Prosthesis, Intramedullary Nail and Plate-Screw Fixation in Metastatic Pathological Fractures
09:16 | 541 | Eunkyu Yang (South Korea): Clinical Outcomes and Histologic Subtype-specific Patterns in Oligometastatic Soft Tissue Sarcoma of the Extremities and Trunk Wall: Implications for Curative Local Ablative Therapy
09:19 | 543 | Hung-Kuan Yen (Taiwan): Denosumab De-escalation Strategies and Clinical Outcomes in Patients with Bone Metastases – A Nationwide Cohort Study
09:22 | 562 | Francis Lee (United States): Biomechanical and Clinical Comparison of Intramedullary Nailing and Minimally Invasive Stabilization of Peritrochanteric Metastases
09:25 | Discussion
09:35 | 594 | Feiyang Qi (China): Percutaneous Tripod Reconstruction restores Bilateral Pelvic Ring Symmetry in Periacetabular Metastases: A Whole-pelvis Digital Image Correlation Study
09:38 | 630 | Yuh-Ruey Kuo (Taiwan): Local Adjuvant of Zoledronic Acid in the Management of Pathologic Fractures from Bone Metastasis: A Retrospective Analysis
09:41 | 869 | Hazem Wafa (Belgium): Endoprosthetic reconstruction after failed internal fixation for skeletal metastases of the lower extremity: is it worth it?
09:44 | 971 | Jasprit Kaur (United Kingdom): What is a wide margin when resecting Renal Cell Carcinoma bone metastases? A multicentre, retrospective European analysis
09:47 | 768 | Alexander Lazarides (United States): Risk Factors associated with Pathologic Fracture of Metastatic Skeletal Disease in the Setting of Modern Treatment Modalities
09:50 | Discussion
Chairs: Humaid Al Farii (Oman) – Adyb-Adrian Khal (Romania)
8:00 | 920 | Introductory lecture | Patric Lin (United States): Early Mortality After Surgery for Long Bone Metastases: A 25-Year, 3,186-Patient Single-Center Experience
8:10 | 15 | Lorenzo Andreani (Italy): Outcomes of multidisciplinary and orthopedic management for bone metastatic thyroid carcinomas
8:13 | 265 | Amy Zeller (United States): Percutaneous Photodynamic Nail Fixation for Stabilization of Pelvic Metastatic Disease: Surgical and Oncologic
8:16 | 407 | Fabio Fernando Eloi Pinto (Brazil): Is Percutaneous Acetabular Cementoplasty an Effective Treatment for Painful Osteolytic Acetabular Lesions?
8:19 | Discussion
8:29 | 697 | Nicola Fabbri (United States): Minimally Invasive Pelvic Fixation of Pelvic Metastases by CT-Assisted Surgical Navigation is Associated with Predictable Pain Relief and Durable Restoration of Skeletal Stability and Function
8:32 | 707 | Furkan Erdoğan (Turkey): Clinical Determinants of Survival after Pathological Fracture in Metastatic Bone Disease
8:35 | 813 | Angad Bedi (The Netherlands/United States): Long-Term Effects of Surgical Approach Selection in Renal Cell Carcinoma Appendicular Bone Metastases
8:38 | 804 | Jonathan Forsberg (United States): PATHFx Version 4.0 in Patients Treated Surgically for Symptomatic Skeletal Metastases
8:41 | Discussion
Chairs: Valerae O. Lewis (United States) – Juan Pablo Zumárraga (Ecuador)
Educational Committee
12:00 | Walid Ebeid (Egypt): Beyond endoprosthesis: Biological reconstruction in the growing child
12:12 | Wakenda Tyler (United States): Reconstructive options in sarcoma resections in the very young and very old, and the special challenges we face
12:24 | Wan Ismail Wan Faisham Numan (Malaysia): Surgery for large tumour in very young patient – challenges
12:36 | Mark C. Gebhardt (United States)
12:48 | Mauricio Etchebehere (Brazil): Resecting soft tissue sarcomas in elderly patients and their unique challenges
13:00 | Case-based discussion
Chairs: Georgi Loria (Georgia) – Nikolaos Stavropoulos (Greece)
10:00 | Introductory lecture | Toshifumi Ozaki (Japan): Advancing Sarcoma Care: Integrating Liquid Biopsy and Genomic Profiling for Precision Medicine
10:10 | 11 | Sophie Joch (Austria): Circulating Tumor DNA-Based Monitoring in Translocation-Associated Sarcomas: Insights from Long-Term Clinical Application
10:13 | 33 | Sarah Consalvo (Germany): Vascular Infiltration as a Marker of Aggressive Biology in Myxofibrosarcoma: A Single-Center Analysis
10:16 | 244 | Peter Ferguson (Canada): Microbiologic Spectrum and Risk Factors for Surgical Site Infection Following Soft Tissue Sarcoma Resection
10:19 | 445 | Lee Zuckerman (United States): Utility of Intraoperative Frozen Sections to Assess Margin Status in Soft Tissue Sarcoma
10:22 | 626 | Yutaka Nezu (Japan): Integrating FDG-PET Metabolic Activity and Neutrophil-Lymphocyte Ratio (NLR) for Prognostic Stratification in Soft Tissue Sarcoma
10:25 | Discussion
10:35 | 760 | Junqiang Yin (China): Multi-omics Discovery and Clinical Validation of COL1A2 Isoforms as Liquid Biopsy Markers for Metastasis Surveillance in Osteosarcoma
10:38 | 780 | Jian Tu (China): Integrated Multidimensional Fragmentomics and Machine Learning for Precise Discrimination of Benign and Malignant Bone and Soft Tissue Tumors
10:41 | 807 | Angad Bedi (The Netherlands/ United States): Lymph Node Metastases in Soft Tissue Sarcoma: A Population-Based Analysis of 65,538 Patients
10:44 | 823 | Feiyang Qi (China): Tumor-Resident Bacteria Predict Chemotherapy Response in Osteosarcoma: A Multi-Cohort Spatial and Single-Cell Microbiome Atlas
10:47 | 879 | Ayano Aso (Italy): Development and validation of machine-learning models with uncertainty quantification to predict event‑free survival in Ewing sarcoma: A multi‑institutional study
10:50 | Discussio
Chairs: Cecilia Belzarena (Unites States) – Elisa Pala (Italy)
09:00 | Introductory lecture | Panayiotis J. Papagelopoulos (Greece): Custom-made implants for periscapular sarcomas
09:10 | 14 | Alexander Lazarides (United States): What Factors are Associated with Instability after Endoprosthetic Reverse Total Shoulder Arthroplasty for Oncologic Reconstruction of the Proximal Humerus
09:13 | 86 | Xiaodong Tang (China): Reconstruction with an Unconstrained Total Scapular Reverse Shoulder Endoprosthesis: Preliminary Results from a Single Institute
09:16 | 223 | Matthew Houdek (United States): Outcome of Shoulder Girdle Resection and Reconstruction Based on a Novel Classification System
09:19 | 744 | Mandip Shah (India): Conventional Reverse Shoulder Arthroplasty within Tumor Sterilized Bone for Select Proximal Humeral Sarcomas–A Novel, Cost Effective, Readily Available Alternative to Reverse Shoulder Megaprosthesis
09:22 | 852 | Jin Wang (China): 3D-printed Glenohumeral Fusion Prosthesis for the Reconstruction of Proximal Humerus Bone Defects: Design, Biomechanical Validation, and Clinical Efficacy Analysis
09:25 | Discussion
09:35 | 628 | Yunus Abdul Bari (Indonesia): Outcomes of Limb Salvage Surgery for Proximal Humerus Osteosarcoma – A Retrospective Study
09:38 | 662 | Ali Ijaz Ahmad (Pakistan): Proximal Humeral Reconstruction using Interlocking Nail-Cement Spacers with Polypropylene Mesh for Primary and Metastatic Tumors
09:41 | 493 | Chung Ming Chan (Singapore): Complex Hand Reconstruction for Epithelioid Sarcoma: A Case using Side-to-side Phalangeal Fusion
09:44 | 894 | Twindy Rarasati (Indonesia): Surgical Management and Functional Outcomes of Soft Tissue and Bone Tumors of the Hand: A 19-Case Series from a Tertiary Referral Hospital
09:47 | 195 | Giulia Trovarelli (Italy): Navigated Modular Reverse Shoulder Reconstruction with Exactech Equinoxe Humeral Reconstruction Prosthesis in Limb Salvage Surgery for Musculoskeletal Tumors
09:50 | Discussion
Chairs: Francisco Linares (Colombia) – Nicole Montgomery (United States)
Educational Committee
12:00 | Ashish Gulia (India): Minimally invasive manage of benign bone tumors
12:15 | TBA: History of GCT
12:30 | Hairong Xu (China): Evolving concepts in the treatment of Aneurysmal Bone Cyst
12:45 | Vinod Ravi (United States): Medical Advances in Benign Bone Disease
13:00 | Didactic lectures (30’)
Chairs: Joanna Szkandera (Austria) – Xiadong Tang (China)
10:00 | Jean Philippe Dulude (Australia): Intraoperative use of high-speed Raman spectroscopy during soft tissue sarcoma resection
10:10 | Kenneth Rankin (United Kingdom): Indeterminate pulmonary nodules upon diagnosis of soft tissue sarcoma - Impact on treatment decision and prognosis
10:20 | Maria Anna Smolle (Austria): Frequency of venous thromboembolisms in patients undergoing surgery for STS
10:30 | Yao Weitao (China): Antiangiogenic agents and PD-1 inhibitors for advanced soft tissue sarcoma
Difficult Cases & Poll
10:40 | Hatice Karatas (Austria) – Christian Pauritsch (Austria): 2 cases
Chairs: Luke Johnson (Australia) – Adam Levin (United States
8:00 | 251 | Introductory lecture | Michal Mahdal (Czech Republic): Functional Outcomes and Complications of Elbow Endoprosthesis Reconstruction after Tumor Resection
8:10 | 220 | Nina Myline Engel (Germany): Redefining Distal Radius Reconstruction Using Custom-Made Implants: Promising Short- to Mid-Term Results
8:13 | Rohith Mutt (India): Long-term Oncological and Functional Outcomes of a Low-Cost Indigenous Megaprosthesis for Elbow Reconstruction: A 23-Year Experience
8:16 | 954 | Domenico Andrea Campanacci (Italy): Allograft-prosthesis Composite Reconstruction after Proximal Humerus Resection for Bone Tumors: is there an advantage with long over short stems?
8:19 | Discussion
8:27 | 828 | Thanapon Chobpenthai (Thailand): Long-Term Outcomes of En Bloc Resection and Vascularized Ulnar Pedicle Graft Reconstruction with Plate Fixation for Giant Cell Tumour of the Distal Radius.
8:30 | 860 | Ashish Gulia (India): Balancing “Mobility” and “Stability” after resection of distal end radius tumor: A modified ulna translocation technique
8:33 | 970 | Markus Hanna (Austria): Surgical Treatment of Pediatric Humeral Cystic Lesions: The Role of Instillation Methods and Lesion Morphology
8:36 | 644 | Evrim Sirin (Turkey): Reconstruction of Malignant Bone Tumors with Total Humerus Endoprosthesis: Long-term Results from a Single Center
8:39 | Discussion
Basic Science II
Chairs: Blaz Mavcic (Slovenia) – Sarah Freund (Denmark)
36 | Maria Anna Smolle (Austria): Prevalence of intraosseous calcaneus lipomas on MRI scans. A retrospective cohort study.
631 | Chenglong Chen (China): Mannose-targeted Liposomal Doxorubicin Inhibits Osteosarcoma Progression via FoxO Pathway Regulation and Metabolic Reprogramming
855 | Gaston Chiesa (Argentina): Effect of hyaluronic acid and mesenchymal stem cells on the mechanical properties of regenerated bone following critical bone defects due to tumor resection
488 | Hsiang Chieh Hsieh (Taiwan): Diabetes Mellitus and Time-Updated Glycemic Control are Associated with Increased Risk of Interventional Skeletal-Related Events in Stage I–III Breast Cancer
611 | Zhen Chang Liang (Singapore): Carboxylic-Acid Functionalised Polycarbonates as Bone Cement Additives for Improved Antibiotic Delivery to Prevent Infections in Endoprosthetic Reconstruction
216 | Andreas Leithner (Austria): Precision Carbon Ion Therapy in Chondrosarcoma via DNA Repair Targeting: In Vitro Insights
491 | Marcio Moura (Brazil): Evaluation of the Identification of Simulated Neoplastic Bone Lesions in Porcine Femurs – Experimental Study
272 | Hiromichi Oshiro (Japan): Prognostic Prediction using Nutritional Tools for Patients with Bone-Metastatic Non-small Cell Lung Cancer
318 | Yoshiyuki Suehara (Japan): Real-world Landscape of Actionable Genomic Alterations in Bone and Soft Tissue Tumors Based on the Japanese C-CAT Database: A 2025 Update
657 | Abigail Tud (Philippines): Slow-thaw versus Fast-thaw: Does Prolonged Cryogen Exposure Time Induce more Tumor Cell Apoptosis?
587 | Haijie Liang (China): Patient-specific Finite Element Analysis of Percutaneous Tripod Reconstruction for Periacetabular Metastases: Biomechanical Stratification by the Metastatic Acetabular Classification
1018 | David Wood (Australia): Neo-angiogenesis in Osteosarcoma; A potential therapeutic target
Benign Bone Tumours I
Chairs: Xiaobo Yan (China) – Tomas Zamora (Chile)
74 | Vivek Ajit Singh (Malaysia): The Clinical, Functional and Oncological Outcomes of Patients with Giant Cell Tumour of Bone at University Malaya
714 | Cecilia Belzarena (United States): Technical Pearls for Brachial Plexus Schwannoma Resection: Safe Dissection, Strategic Exposure and Nerve Preservation
475 | Maximilian Thomas Buchwald (Austria): Challenging the Sarcoma Mimic: Benign Genomic Architecture in Infiltrative USP6-Rearranged Nodular Fasciitis – A Retrospective Study
435 | Chung Ming Chan (Singapore): Management of Knee Contracture; A Case Seconday to Aggressive Fibromatosis Treated with Surgery and Radiation
19 | Edoardo Ipponi (Italy): Return to sport after curettage for benign and locally aggressive bone tumors
425 | Muni Srikanth Iytha (India): Limb Salvage in Recurrent Gaint Cell Tumour of Distal Tibia with Fungating Ulcer
12 | Andreas Leithner (Austria): Long-term MRI Follow-up of Lesion Characteristics in Enchondromas and Atypical Cartilaginous Tumors of the Knee and Shoulder
283 | Bennie Lindeque (United States): Recurrence Rate of Atypical Lipomatous Tumors: A Retrospective Study
249 | Michal Mahdal (Czech Republic): Combined Denosumab and Sunitinib Treatment Effectively Reduces the Viability of Tumor Cells in a Giant Cell Tumor of Bone
212 | Hideji Nishida (Japan): Three Cases of Calcific Myonecrosis of the Lower Leg
288 | Muhammad Rizqi Adhi Primaputra (Indonesia): Extended Curretage vs En-Bloc Resection for The Treatment of Giant Cell Tumor: A Systematic Review
440 | Isabella Victoria Rosello (Philippines): Polyethylene Wear Pseudotumor in a 66-Year Old Female Following Metal-on-Polyethylene Total Hip Arthroplasty: A Case Report and Review of Literature
99 | Shoufeng Wang (China): Surgical management of giant cell tumor of bone with pathological fracture and complications
Biological Reconstructions II
Chairs: Susanne Scheipl (Austria) – Anna Hohensteiner (Austria)
389 | Mariel Spense (Argentina): Intercalary Allograft Reconstruction of the Femur for Malignant Bone Tumours. Functional Outcomes and Complications
921 | Mohammad Altayeb (United Kingdom): Outcome of Allograft reconstruction after tumour resection, single centre cohort study
829 | Thanapon Chobpenthai (Thailand): A Review on Bone Tumor Management: Cutting-Edge Strategies in Bone Grafting, Bone Graft Substitute, and Growth Factors for Defect Reconstruction
1003 | Brooke M. Crawford (United States): Recurrent Revision Following Oncologic Distal Femoral Replacement: A Single Center Evaluation of Failure Characteristics
479 | Mouli Edward (Indonesia): 13 Years Evaluation Osteosarcoma II B of The Left Distal Femur after Resected and Reconstruction by Pasteurized Autograph of Left Distal Femur and Distal Femur Nail Fixation
465 | Ahmed Mounir Elsayed (Qatar): Innovative Resection Technique and Biological Reconstruction for Proximal Femur Malignant Bone Tumor in a Pediatric Patient
996 | Panayiotis Gavriil (Greece): Biological Reconstruction of Medial Instability Following Total Ankle Arthroplasty with Custom 3D-Printed Talus Replacement
806 | Hüseyin Kaya (Turkey): Limb Salvage For Malignant Bone Tumors Of Distal Tibia With Extracorporeally Irradiated Autograft
934 | Zeeshan Khan (Pakistan): Biological reconstruction of distal tibia neoplasms. Logical or a futile journey, not worth considering
432 | Phongsathorn Meethawolgul (Thailand): Stem-Allograft Composite Augmentation in Proximal Femur Endoprosthetic Reconstruction: A Finite Element Study
444 | Mohd Ariff Sharifudin (Malaysia): Injectable Calcium Sulphate Following Curettage of Benign Bone Cysts: A Case Series on Graft Incorporation and Functional Recovery
850 | Ong Shir Lee (Malaysia): Economical 3D-printed Mould Technique for Biological Reconstruction in Orthopedic Oncology
234 | Humaid Al Farii (Oman): Figure-of-Eight Patellar Tendon Reconstruction in Proximal Tibial Megaprosthesis: A Pilot Study of a Novel Surgical Technique
Chairs: Tomohiro Fujiwara (Japan) – Vineet John Kurisunkal (United Kingdom)
17:00 | 582 | Introductory lecture | Amar Kamat (India): Does the Addition of Fibula, Vascularized or Free, Improve the Outcomes of Intercalary Reconstructions with ECRT?
17:10 | 398 | Minxun Lu (China): Intercalary Prosthetic Reconstruction with 3D-Printed Custom-Made Porous Component for Defects of Long Bones with Short Residual Bone Segments after Tumor Resection
17:13 | 486 | Yongsung Kim (South Korea): Clinical Outcome of Transepiphyseal Resection for Osteosarcoma Patients with Open Physes
17:16 | 530 | Shaohua Du (China): Gluteus Medius Muscle Pedicle-Greater Trochanter Bone Grafting Combined with Modified Watson-Jone Approach to Treat Benign Lesions in Femoral Head and Neck
17:19 | 571 | Takahiko Ishimaru (Japan): What Functional Outcomes are Achievable with Liquid Nitrogen–Treated Autologous Bone in Limb Reconstruction?
17:22 | 670 | Siladitya Chowdhury (India): Does Skeletal Immaturity Increase the Risk of Graft Lysis after Cryotherapy-treated Bone Reconstruction
17:25 | Discussion
17:35 | 674 | Tao Ji (China): Predicting Mechanical Complications following Biological Reconstruction for Malignant Bone Tumors of the Lower Extremity- A Novel Scoring Model
17:38 | 909 | Walid Ebeid (Egypt): Functional and Oncological Outcomes of Intercalary Reconstruction using Vascularized Fibular Graft Versus Recycled Autograft after Resection of Malignant Bone Tumors: A Comparative Study
17:41 | 913 | Yong Zhou (China): Anchoring Knee Extension After Tumor Endoprosthetic Reconstruction Circumferential LARS Patellar Wrapping with Medial Gastrocnemius Flap Coverage for Severe Patellar Tendon Defects
17:44 | 505 | Thomas Wong (Singapore): Pedicled Freezing of the Distal Tibia without an Osteotomy. A Novel Surgical Technique
17:47 | 866 | Eduardo Sadao Yonamine (Brazil): Reconstruction Using the Frozen Autograft Technique After Resection of Malignant Bone Tumors – Evaluation of 26 Cases
17:50 | Discussion
Chairs: Ashish Gulia (India) – Arne Streitbürger (Germany)
16:00 | Introductory lecture | Winfried Winkelmann (Germany): Rotationplasty
16:10 | 98 | Himanshu Rohela (India): implant survivorship results of indigenous developed compress-HA prosthetic stem for oncological resections
16:13 | 243 | Floortje Verspoor (The Netherlands): Navigation-Guided, Patient-Specific Winkelmann Type B1 Rotationplasty for Complex Post-Oncologic Femoral Osteomyelitis
16:16 | 331 | Abigail Tud (Philippines): Doing a 180 for GCT: Should Knee Rotationplasty (KRP) be Considered as a Surgical Option for Giant Cell Tumor of Bone in Low Resource Settings?
16:19 | 967 | Anna Hohensteiner (Austria): Rotationplasty After Tumor Resection: Oncological and Functional Outcomes from a 37-Year Single-Center Experience
16:22 | 969 | Philipp Funovics (Austria): Tibial-growth-plate-preserving A1 rotationplasty in a 2-year-old with ultra-short proximal femoral residuum
16:25 | Discussion
16:35 | 534 | Ezekiel Dingle (United States): Determinants of Primary Amputation in Extremity Sarcoma: A Population-based Analysis of Definitive Surgical Management
16:38 | 716 | Margaret Roubaud (United States): TMR and RPNI Sustainably Reduce Long-term Pain and Opioid Dependence after Oncologic Amputation
16:41 | 963 | Christoph Hofer (Austria): Resilience as a Key Factor in Coping: Long-Term Outcomes after Treatment of Malignant Tumors of the Lower Extremity
16:44 | 408 | Gitte Krebbekx (The Netherlands): Osteoarthritis-Related Gait Deviations are Present Decades after Rotationplasty
16:47 | 409 | Gitte Krebbekx (The Netherlands): Good Quality of Life Three Decades after Rotationplasty
16:50 | Discussion
Chairs: Laura Campanacci (Italy) – Shalin Patel (United States)
14:00 | 330 | Introductory lecture | Airon Vince Calica (Philippines): Biological Reconstruction in Osteosarcoma: A Systematic Review Comparing Pasteurization and Liquid Nitrogen Cryotherapy for Recycled Autografts
14:10 | 160 | Naoki Oike (Japan): Very Long-Term Outcomes of Limb Reconstruction Using Intraoperative Extracorporeal Irradiated Autografts for Musculoskeletal Tumors
14:13 | 189 | Mirka Buist (The Netherlands): Patient-Specific Implants for Joint-Sparing Reconstruction of Segmental Tibial and Femoral Defects: Systematic Literature Review and Introduction of a Classification Framework
14:16 | 191 | Praveen Gupta (India): Extra Corporeal Radiotherapy for Biological Limb Salvage; A Wise Augmentation to Strengthen the Recycled Bone can Improve Outcomes without Affecting the Histopathology
14:19 | 277 | Masood Umer (Pakistan): Skeletal Reconstruction by Autoclaved Tumor Bone after Sarcoma Resection; Outcomes from a Single Centre Orthopedic Registry
14:22 | Discussion
14:30 | 464 | Pudit Patcharathiwat (Thailand): Are Survivorship and Complications of Pasteurized Autograft-Prosthesis Composite Comparable to those of Endoprosthesis Following Limb-sparing Surgery around the Knee?: A Propensity Score Weighting Study
14:33 | 485 | Puneet Yadav (India): Mid Term Clinical and Radiological Outcomes of Knee Arthrodesis using Nail-plate Cement Spacer following Wide Resection of Malignant and Benign Aggressive Tumors around the Knee
14:36 | 519 | Marwan Elsayed Mandor (Qatar): Combined Modified Capanna and Masquelet Techniques for Managing Femur Bone Defects after Tumor Resection
14:39 | 523 | Shalin Patel (United States): Financial Toxicity in Patients with Localized Pelvic Primary Bone Sarcomas Treated with Hemipelvectomy
14:42 | Discussion
14:50 | 620 | Fathin Kaldani (Indonesia): Osteoarticular Resection with Cryosurgery in Osteosarcoma: Clinical Outcomes and Joint Preservation Analysis
14:53 | 629 | Osman Emre Aycan (Turkey): Clinical Outcomes of Tumor Endoprosthetic Stem Augmentation with Liquid Nitrogen Recycled Autograft for Malignant Bone Tumors
14:56 | 663 | Marcio Moura (Brazil): Internal Hemipelvectomy 45 Patients Treated with Biological Reconstruction using Recycling Bone Tumor with Liquid Nitrogen
14:59 | 794 | Malissa Saengtubtim (Thailand): Does double plate fixation allow immediate full-weight bearing for biological reconstruction following limb-sparing surgery of the lower limb?
15:02 | Discussion
15:10 | 896 | Mohamed Abdelhamid (Egypt): Distal Tibial Resection and Reconstruction with Pedicled Vascularized Fibular Graft for Malignant Bone Tumors: Functional and Oncologic Outcomes
15:13 | 902 | Pannin Thanapipatsiri (Thailand): Long-term Outcomes and Complications of Irradiated Osteoarticular Allograft Reconstruction in Musculoskeletal Tumors
15:16 | 980 | Mahmoud Smida (Tunisia): Revascularization of non-vascularized bone autograft by preserved periosteum after resection of high-grade malignant bone tumors in children—a new biological reconstruction technique
15:19 | 576 | Jaylon Pascual (Canada): Biomechanical Impact of an Actuated Knee-Ankle-Foot Orthosis for Extensor Mechanism Deficiency
15:22 | Discussion
Chairs: Walid Ebeid (Egypt) – Koichi Ogura (Japan)
Lorem ipsum
11:00 | 87 | Introductory lecture | Xiaodong Tang (China): En Bloc Resection for Primary Malignant Tumors of the Mobile Spine: Survival, Recurrence and Complications
11:10 | 109 | Humaid Al Farii (Oman): Spine Cord Compression with Neurological Deficit; What Delay is a Delay for Surgical Decompression?
11:13 | 179 | Haomiao Li (China): En Bloc Resection of Tumors in Thoracic and Lumbar Spine using the “Rotation-Reversion” Technique: Technique Notes and Outcomes
11:16 | 255 | Takeshi Morii (Japan): Treatment Strategies for Spinal Giant Cell Tumor of Bone: Data from the Japanese Musculoskeletal Oncology Group
11:19 | 366 | Jie Zang (China): Navigated Sacroiliac Joint (SIJ) “Sandwich” Osteotomy for En Bloc Resection of Sacral Malignant Tumors
11:22 | Discussion
11:30 | 595 | Charles Court (France): Postoperative Complication Profiles following En Bloc Resection of Spinal Tumors: A Systematic Review and Meta-Analysis
11:33 | 666 | Charlie Bouthors (France): S3 and Above En Bloc Sacrectomy for Chordoma: An Anterior Endoscopic Release to Reduce Morbidity without Compromising the Oncological Results
11:36 | 683 | Jichuan Wang (China): Standardized Protocols for Posterior-only En Bloc Sacrectomy: A Surgical Classification-based Approach for Primary Sacral Malignancies
11:39 | 736 | Zhiqiang Zhao (China): Modified Spinopelvic Fixation with a Novel Three-dimensional-printed Element following Total Sacrectomy for Patients with Sacral Tumours
11:42 | Discussion
11:50 | 786 | Tiao Lin (China): Experience with Surgical Site Infection after Surgery for Sacral Tumors
11:53 | 865 | Jinchang Lu (China): Surgical technique and outcomes for tumors simultaneously involving the thoracic vertebrae and posterior chest wall
11:56 | 882 | Jinchang Lu (China): The efficacy and safety of vertebroplasty prior to separation surgery in reducing intraoperative blood loss: a preliminary report
11:59 | 883 | Jinxin Hu (China): Comparative effectiveness of 3D-printed artificial vertebral body and titanium mesh cage for anterior reconstruction of bone defects following total en bloc spondylectomy: a dual center retrospective study
12:02 | Discussion
12:10 | 928 | Brooke Crawford (United States): Are Tumoral Biomarkers Associated with Pathologic Fracture Risk and Lesion Characteristics in Skeletal Metastases from Breast and Prostate Cancer
12:13 | 977 | Angela Mercurio (United States): Chemoradiation impact on bony union in vascularized fibula grafts for spinopelvic reconstruction: A 26-year review
12:16 | 979 | Hagen Fritzsche (Germany): Oncologic and surgical outcome and quality of life after mono- vs. multilevel en bloc spondylectomy in patients with spinal tumors
12:19 | 995 | Masoud Mirkazemi (Iran): Sacrectomy for Sacral Tumors with or Without Lumbopelvic Fixation: Impact of Resection Level on Functional Outcomes
12:22 | Discussion
Chairs: Luis Alberto Aponte-Tinao (Argentina) – Santiago Lozano-Calderón (United States)
09:00 | 145 | Introductory lecture | Francisco Principe (Argentina): Forty Years of Experience in Proximal Tibial Bone Transplantation: Results from a Single Center
09:10 | 142 | Fabrice Scheurer (Switzerland): Frequency of Implant-Associated Infection and Associated Risk Factors Following Osseous Allograft Treatment: A Retrospective Analysis
09:13 | 327 | Katsuhiro Hayashi (Japan): Risk Factors for Multiple Additional Surgeries and their Impact on Final Clinical Course after Reconstruction using Tumor-Bearing Frozen Autografts
09:16 | 368 | Charles Abraham Villamin (Philippines): Extracorporeal Irradiation vs Liquid Nitrogen Treatment of Tumor-Bearing Autografts for Limb Reconstruction after Primary Malignant Musculoskeletal Tumor Resection: A Systematic Review of Literature
09:19 | 184 | Han Wang (China): External Fixator-Driven Soft Tissue Distraction for Limb Lengthening for Children with Lower Extremity Malignancies after Limb-Salvage Surgery: A preliminary study
09:22 | Discussion
09:30 | 460 | Khalil Farooque (Pakistan): Free Vascularized Fibular Graft in Patients for Oncological Reconstruction of Humerus: Surgical Technique and Results
09:33 | 468 | Lukáš Pazourek (Czech Republic): Intercalary Allograft Reconstruction after Bone Tumor Resection: A Long-term Experience from a Sarcoma Center
09:36 | 487 | Charukit Siritham (Thailand): Frozen Autograft Reconstruction in Primary Bone Tumors: Are we Achieving Durable Limb Salvage?
09:39 | 615 | Ferdiansyah Mahyudin (Indonesia): Oncologic, Radiologic and Functional Outcomes of Cryosurgery for Osteosarcoma: Biological Reconstruction using Recycled Bone
09:42 | Discussion
09:50 | 831 | Kousik Nandy (India): Functional and oncological outcome analysis following biological reconstruction in extremity sarcoma – experience from a single tertiary cancer care centre in eastern India
09:53 | 635 | Berksu Polat (Turkey): Frozen Hotdog Reconstruction for Segmental Defects after Lower Extremity Bone Sarcoma Resection: Functional, Radiological and Oncological Outcomes
09:56 | 748 | Ebenezer Asirvatham (India): Microsurgical Reconstruction for Megaprosthesis with Large Soft Tissue Defects of the Knee and Functional Augmentation of the Extensor Mechanism: A Case Series
09:59 | 495 | Vishnu Ramanujan (India): Clinical and Radiological Results of Vascularized Free Fibular Epiphyseal Transfer after Proximal Humerus Resection in Children
10:02 | Discussion
10:10 | 793 | Kathryn Dickson (United Kingdom): Vascularised fibular epiphyseal transfer for upper-limb salvage: A review of 10 years of experience
10:13 | 805 | Hüseyin Kaya (Turkey): Reconstruction of the Extensor Mechanism with Extracorporeally Irradiated Autograft after around Knee Resection
10:16 | 383 | Mariel Spense (Argentina): Biological Reconstruction of the Proximal Femur in Adults and Children with Benign Bone Toumours and Tomour-Like Lesions
10:19 | 370 | Chiara De Donno (Italy): Pathological Meta-Diaphyseal Humeral Fractures and Structured Allogeneic Bone Grafts in Pediatric Age Benign Lesion: Is the Biology Effective Enough?
10:22 | Discussion
Chairs: Claudia Di Bella (Australia) – Frank Traub (Germany)
Lorem ipsum
17:00 | Introductory lecture | Peter Rose (United States): From bench to bedside
17:10 | 67 | Qianyu Shi (China): Platelet-derived TGF-β initiates a neutrophil HIF-1α/NETs positive feedback loop driving osteosarcoma intratumoral hypoxia and lung metastasis
17:13 | 122 | Leilei Xu (China): Integrated Analysis of Multi-Omics Data Revealing Novel Molecular Pathway Associated with Bone Mass Loss in Osteosarcoma Patients Treated by Neoadjuvant Chemotherapy
17:16 | 125 | Yucheng Fu (China): EGLN3 Enhances Osteosarcoma Proliferation and Metastasis Through the Upregulation of Glycolytic Pathways
17:19 | 295 | David Geller (United States): Advanced Transcriptomic Analysis of Spp1 in Osteosarcoma: A Potential New Therapeutic Target?
17:22 | 329 | Sophie Cox (United Kingdom): Developing Bioinspired Alloys to Tackle Clinical Challenges of Metallic Prostheses
17:25 | Discussion
17:35 | 549 | Cheng-Yo Lai (Taiwan): Survival Prediction in Patients with Pelvic Bone Metastases Using SORG-MLA (Skeletal Oncology Research Group Machine-Learning Algorithms)
17:38 | 622 | Chenglong Chen (China): ITGB6 Promotes Osteosarcoma Lung Metastasis by Enhancing ECM-Receptor Interaction Through Activation of the TGF-β Pathway
17:41 | 642 | Feiyang Qi (China): Paired Single-cell Profiling defines a Nine-gene Neoadjuvant Chemoresistance Signature and PI3K Vulnerability in Osteosarcoma
17:44 | 898 | Minal B Shivaprakash (India): Hydro-lubrication assisted neurovascular and soft tissue dissection using a periosteal elevator: an atraumatic technique for surgical dissection
17:47 | 312 | Jong Woong Park (South Korea): Mechanical Integrity of 3D-Printed Internal Threads for Modular Orthopedic Implants: Proposing a Quantitative Threshold for Precision Modularity
17:50 | Discussion
Chairs: Joseph Benevenia (United States) – Hans Roland Dürr (Germany)
16:00 | Introductory lecture | Bartlomiej Szostakowski (Poland): Giant Cell Tumour of Bone: From Fundamentals to Contemporary Management and Beyond
16:10 | 41 | Lester Chan (Singapore): Frozen Liquid Nitrogen Ethanol Composite (FNEC) for Giant Cell Tumour of Bone (GCTB). From Bench to Clinical Practice: Results from an Ex Vivo Porcine Bone Model and Mid-Term Clinical Series
16:13 | 178 | Haobin Su (China): Saline-Coupled Bipolar Sealer as a Novel Adjuvant for Intralesional Curettage of Giant Cell Tumor of Bone: A Retrospective Cohort Study
16:16 | 452 | Prakash Nayak (India): Does Preoperative Denosumab for Resection of GCT of Bone Around Knee, Reduce Blood Loss, Tumor Contamination and Local Relapse: A Retrospective and Temporal Institutional Cohort Study
16:19 | 496 | Yuki Aibara (Japan): Denosumab Monotherapy for Giant Cell Tumor of Bone: A Multi-institutional Study by the Japanese Musculoskeletal Oncology Group
16:22 | 816 | Omar Aldosari (Saudi Arabia): A Multicenter Retrospective Analysis of Prognostic Factors for Local Recurrence in Extremity-Located Giant Cell Tumors of Bone
16:25 | Discussion
16:35 | 1011 | David Fellows (United Kingdom): Management and surveillance of metastatic giant cell tumour of bone
16:38 | 581 | Nong Lin (China): Bone Cement Filling Combined with Plate and Screw Fixation for the Treatment of Displaced Pathological Fractures of the Distal Femur caused by Giant Cell Tumor of Bone
16:41 | 715 | Rajesh Bahadur Singh (India): Validating Extended Curettage and Cement Augmentation with Plate Fixation for Campanacci Grade 3 Giant Cell Tumors: Experience from MPMMCC Varanasi, India
16:44 | 517 | Mishari Alanezi (Saudi Arabia): Malignant Transformation in Denosumab-Treated Giant Cell Tumor of Bone: Rare Event or Underrecognized Risk?
16:47 | 405 | Kan Ito (Japan): Curettage for Distal Radius Giant Cell Tumors: Fracture Risk and Long-Term Local Control
16:50 | Discussion
Chairs: Thomas Hilton (South Africa) – Oleg Vyrva (Ukraine)
14:00 | Introductory lecture | Claudia Di Bella (Australia): Women in surgery
14:10 | 92 | Bilgehan H. Cevik (Turkey): Max-Ti Antiprotrusio Cages in Periacetabular Metastatic Bone Disease: Experience from a Single Tertiary Referral Centre
14:13 | 118 | Matthew DiCaprio (United States): The Evolution of Practice Patterns of Early Career Orthopaedic Oncologists in the US: Analysis of 22 Years of the ABOS Part II Case List Database
14:16 | 268 | Amy Zeller (United States): Trends and Burden Composition at the National and Interstate Levels for Malignant Neoplasms of Bone and Articular Cartilage in the United States, 1990-2023
14:19 | 286 | Muhammad Rizqi Adhi Primaputra (Indonesia): Multidisciplinary Management for Bone Sarcoma in Pregnancy: A Systematic Review of Approaches and Clinical Outcomes
14:22 | Discussion
14:30 | 297 | Ali Ijaz Ahmad (Pakistan): Orthopaedic Oncologist–performed Vascularized Fibula Reconstruction for Limb Salvage: Early Outcomes and the Learning Curve in a Resource-Limited Sarcoma Unit
14:33 | 365 | Shea Byrne (United Kingdom): STanmore OutcoMes Project (STOMP) – Preliminary Findings of International Classification of Functioning, Disability and Health (ICF) Outcomes in Sarcoma Survivors
14:36 | 374 | Camila Bedeschi Rego De Mattos (Sweden): COVID-19 and Sarcoma Care in Sweden: Maintained Quality of a Robust Care System but Potential Sex-Based Diagnostic Gap
14:39 | 457 | Prakash Nayak (India): Age, Site–Histology Interaction, Margins and Pathologic Fracture Define Risk in Surgically Treated Chondrosarcoma: A Multi-Institutional Analysis of 850 Patients
14:42 | Discussion
14:50 | 501 | Frank Bevacqua (Australia): Paediatric Endoprosthetic Reconstruction for Lower Limb Tumours: Revision Rates, Aetiology and Associations. A Study from the Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR)
14:53 | 518 | Mishari Alanezi (Saudi Arabia): Beyond the Diagnosis: A 15-Year Multicenter Analysis of Sarcoma Care, Referral Pathways and Survival Outcomes
14:56 | 522 | Oleg Vyrva (Ukraine): Limb Salvage Evolution in Bone Tumor Surgery: Strategic Insights from Personal Experience
14:59 | 592 | Wan Ismail Wan Faisham Numan (Malaysia): Sarcoma Management during Medical Mission in Gaza
15:02 | Discussion
15:10 | 661 | Noel Rex Penaranda (Philippines): Establishing a Cancer (Sarcoma) Care Center: Our Story of Filling the Gaps
15:13 | 773 | Caitlin Bodian (New Zealand): Pattern of Care for Follow-up of Sarcoma after Curative Treatment: A Survey of Sarcoma Specialists
15:16 | 936 | Akshay Tiwari (India): Survival outcomes and prognostic determinants of osteosarcoma in children and adults: an interim analysis of nationwide multicentric retrospective cohort study from India (IMSOS OS-01 / INPHOG-OST-23-01)
15:19 | 946 | Marius Emunds (Germany): Evaluation of Cognitive Workload and Clinical Utility of Preoperative Mixed-Reality Planning in Hemipelvectomy Using Head-Mounted-Displays
15:22 | Discussion
Chairs: Davide Donati (Italy) – Isidre Angel Gràcia Alegria (Spain)
11:00 | Introductory lecture | Alexander Lazarides (United States): Readmission rates in sarcoma patiens
11:10 | 1 | Claire Scholte (The Netherlands): Deciphering Intraosseous Cartilaginous Tumours: Comprehensive Insights into Oncological Outcomes of different treatment approaches in a multicentre study (BOOM-ICaTS)
11:13 | 130 | Hanna Liikanen (Finland): Evaluating Outcomes for Metastasized Chondrosarcoma
11:16 | 133 | Oatile Phakathi (Canada): Outcomes of Patients with Primary Bone Sarcoma with Pathologic Fracture: A Retrospective Cohort Study
11:19 | 134 | Maria Antonia Gomez-Sierra (Canada): Outcomes of Limb Salvage Following Unplanned Intralesional Procedures of Primary Bone Sarcomas of The Femur
11:22 | Discussion
11:30 | 168 | Lee Jeys (United Kingdom): Chondrosarcoma in the Elderly: How Age Shapes Treatment and Outcomes
11:33 | 186 | Aaron Gazendam (Canada): Impact of Surgical Margins in Chest Wall Chondrosarcomas: A CanSaRCC Study
11:36 | 224 | Caleb Cummings (United States): Pathologic Hip Fractures Represent a Distinct Oncologic Entity with Increased Surgical Risk
11:39 | 226 | Caleb Cummings (United States): Pain does not uniformly reflect tumor aggressiveness in chondrosarcoma across anatomic sites
11:42 | Discussion
11:50 | 233 | Andrea Angelini (Italy): Does Amputation Improve Survival in Chondrosarcoma? A SEER 2010–2022 Propensity Score–Matched Analysis of Cancer-Specific Survival
11:53 | 241 | Floortje Verspoor (The Netherlands): Management and Outcome of Intracranial Metastases in Sarcoma: A Systematic Review
11:56 | 687 | Nathan Donaldson (United States): Geographic Disparities in Surgical Management of Pediatric and AYA Bone Sarcomas: An NCDB Review
11:59 | 743 | Mandip Shah (India): Do We Really Need a Bony Reconstruction after Distal Fibula Resection? A Retrospective Analysis of 13 Patients Undergoing Peroneal Tendon to Fibula Stump Tenodesis
12:02 | Discussion
12:10 | 616 | Noel Rex Penaranda (Philippines): Backpack Orthopedic Oncology: Limb‑salvage Procedures for Resource‑limited Practice
12:13 | 682 | Karim Masrouha (United States): Socioeconomic Status-driven Outcome Differences in Pediatric Bone Cancers
12:16 | 578 | Shunichi Toki (Japan): Do Commercially Available Compression Shorts Reduce Postoperative Complications in High-risk Pelvic, Inguinal and Proximal Thigh Sarcoma Surgery?
12:19 | 164 | Alexander Synek (Austria): Towards Clinically Viable Assessment of Activity-Specific Femur Fracture Risk in Patients with Metastatic Bone Disease: A Combined Biomechanical and Deep Learning Approach
12:22 | Discussion
Chairs: Shintaro Iwata (Japan) – Maya Niethard (Germany)
09:00 | Introductory lecture | Steven Thorpe (United States): The value of intraoperative margin sampling in soft tissue sarcoma
09:10 | 3 | Juan Barriga (Canada): Marginal Excision of Extremity Dedifferentiated Liposarcoma without Radiation may be Safe in Select Patients
09:13 | 32 | Bernd Golja (Austria): Local recurrence in soft tissue sarcoma. Frequency and prognostic relevance of “upgrading” – a retrospective study
09:16 | 40 | Aaron Gazendam (Canada): The Impact of Perilesional Tails in Myxofibrosarcoma Resection Margins and Oncologic Outcomes
09:19 | 90 | İbrahim Halil Demir (Turkey): Preoperative endovascular embolization in malignant soft tissue tumors: A comparative study
09:22 | Discussion
09:30 | 305 | Shinn Kim (South Korea): Anatomic Presentation Strongly Influences Local Control in Myxoid Liposarcoma
09:33 | 317 | Youngkeun Lee (South Korea): Ultrasound-Guided Wide Excision of Myxofibrosarcoma: Impact on Surgical Outcomes and Recurrence Rates
09:36 | 458 | Emmy Nyqvist (Sweden): Early Wound Complications after Soft Tissue Sarcoma Surgery are Associated with Increased Risk of Local Recurrence and Death
09:39 | 247 | Mohamed Hafizudin Abudllah Sani (Malaysia): Predictive MRI Features in the Differentiation of Lipoma and Atypical Lipomatous Tumor: A Diagnostic Performance Study
09:42 | Discussion
09:50 | 539 | Eunkyu Yang (South Korea): Late Local Recurrence of Soft Tissue Sarcoma of the Extremities and Trunk Wall: Predictive Factors and Oncologic Outcomes
09:53 | 551 | Emily Peairs (United States): Synovial Sarcoma Involving Nerves: High Rate of Misidentification as Benign Tumors
09:56 | 643 | Kia Teng Lim (Singapore): Does Local Recurrence of Soft Tissue Sarcomas Occur at the Site with the Closest Primary Surgical Resection Margin?
09:59 | 664 | Soichiro Sakai (Japan): Does the Anatomical Relationship to the Skin and Fascia Influence the Risk of Distant Metastasis in Subcutaneous Soft Tissue Sarcoma?
10:02 | Discussion
10:10 | 949 | Kristin Hinton (Canada): Local recurrence and overall survival following staged- and unstaged-coverage of myxofibrosarcoma resection
10:13 | 974 | Angad Bedi (The Netherlands/ United States): Extended Five-Year Follow-Up of Vacuum-Assisted Closure Temporization for Myxofibrosarcoma
10:16 | 1009 | David Fellows (United Kingdom): Outcomes, Management and Predictors of Soft Tissue Sarcoma Recurrence
10:19 | Discussion
Chairs: Kista Goulding (United States) – Karim Masrouha (United States)
Educational committee
17:00 | Francis Y. Lee (United States): Biomechanical, Onco-Biology, and Clinical Outcomes of Minimally Invasive Management of Skeletal Metastases
17:10 | Santiago Lozano-Calderón (United States): Photodynamic nails in the management of metastatic bone disease: Minimally invasive techniques
17:20 | Tomas Zamora (Chile): Algorithms and Practical Points When Deciding to Perform Percutaneous Minimally Invasive Treatment for Metastatic Lesions
17:30 | Brooke M. Crawford (United States): Difficulties and considerations when performing percutaneous procedures for skeletal metastatic disease
17:40 | Case based discussion/lecture and Informational lectures
Chairs: Francisco Linares (Colombia) – Santiago Lozano-Calderón (United States)
16:00 | Duncan Whitwell (United Kingdom): Challenges and Limitations in Sarcoma Care in Developing Countries
16:12 | David Wood (Australia): Resource Stratified Guideline for Optimization of Sarcoma Care in Developing Countries: The Experience in the Asia-Pacific Region
16:24 | Case Experiences: Introductions with
Juan Pablo Zumárraga (Ecuador)
Reshwin Rajan (Fiji): South America
Ermias Gizaw Hailemeskel (Ethiopia): Africa
Reshwin Rajan (Fiji): Asia
Muhammad Ather Siddiqi (Pakistan): Middle East
16:47 | Discussion and questions
Chairs: Gerhard Hobusch (Austria) – Valerae O. Lewis (United States)
Educational Committee
14:00 | Margaret Roubaud: Novel techniques in amputation
14:12 | James Flint (United States): Osseointegration: The οther Limb Salvage
14:24 | Rickard Brånemark (United States): OI – The vision and future aspects
14:36 | Ajay Puri (India): Rotationplasty – When is it indicated?
14:48 | Peter Bekkering (The Netherlands): The degree of physical activity and participation in sport after amputation and rotationplasty as a result of a malignant bone tumour in childhood
15:00 | Discussion
Chairs: John Healey (United States) – Thomas Baad-Hansen (Denmark)
11:00 | Keynote lecture | Minna Laitinen (Finland): Metal Ion Release in Orthopaedic Oncology: What Do We Know, and What Remains Unknown?
11:10 | Sarah Freund (Denmark): Monitoring practices – How Do We Monitor Metal Ion Levels? Insights from the GAIIMES Survey
11:17 | Matthew Houdek (United States): Mechanisms of metal ion release – Where Do the Ions Come From? Mechanical and Material Sources of Release
11:24 | Hans Roland Dürr (Germany): Clinical impact of metal ions – From Ions to Illness: Adverse Events Linked to Metal Ion Release
11:31 | Stefan Rakete (Germany): Toxicological Perspectives – Systemic Metal Ion Exposure: Lessons from Toxicology and Occupational Medicine
11:38 | Thomas Baad-Hansen (Denmark): Case-based clinical decision making – Managing Elevated Cobalt: What Would You Do?
11:45 | Magdalena Maria Gilg (Austria): Future Monitoring, Consensus, and Research Priorities – Towards 2030: Standardizing Metal Ion Monitoring and Building Consensus
11:52 | Panel discussion and audience Q&A
Chairs: Joanna Szkandera (Austria) – Masood Umer (Pakistan)
09:00 | 136 | Benjamin Miller (United States): Introduction – Benefits and Barriers for Sarcoma Registries: Survey Results from the International Sarcoma Registry
Best registry-focused abstracts from ISOLS abstract submission
09:10 | 238 | Thomas Hilton (South Africa): High Rates of Metastatic Disease and Amputations in Conventional Osteosarcomas: Analysis of 53 Patients from the First Sarcoma Registry in South Africa
09:15 | 322 | Masood Umer (Pakistan): Data Outcomes from a Hospital-based Orthopedic Tumor Registry of Karachi, Pakistan
09:20 | 503 | Frank Bevacqua (Australia): Paediatric Distal Femoral Tumour Megaprostheses: Revision Rates, Failure Aetiology and Survivorship from the Australian Orthopaedic Association National Joint Replacement Registry
09:25 | 658 | Sonja Kristín Kjartansdóttir (Sweden): Improved Survival after Treatment for Soft Tissue Sarcoma since the Introduction of the Standardised Care Pathway in Sweden
09:30 | 203 | Adam Levin (United States): Comparison of Sarcoma Biopsies between Referral Centers and Treating Centers: An Analysis of the Musculoskeletal Tumor Registry (MSTR)
09:35 | Joanna Szkandera (Austria): Updates from the Austrian sarcoma registry
09:40 | Questions
Project Updates
09:45 | 137 | Benjamin Miller (United States): Global variation in sarcoma presentation: The first project of the International Sarcoma Registry
09:50 | Maria Anna Smolle (Austria): Updates on the 10.000 soft tissue sarcoma project
09:55 | Marcos Galli Serra (Argentina): Updates on SLATME project
Panel Discussion (Working Group in attendance)
Moderator: Benjamin Miller (United States)
Panelists: Joanna Szkandera, Andreas Leithner, Marcos Galli Serra, Masood Umer, Eric Staals, Ashish Gulia, Luke Johnson, Adam Levin
10:00 | Authorship and participation
10:05 | How to propose a project
10:10 | Where should we be in two years
Moderators: Luke Johnson (Australia)- Eric Staals (Italy)
10:15 | Real-time survey with panel questions
Chairs: Peter Rose (United States) – Han-Soo Kim (Rep. of Korea)
16:00 | Paul Jutte (The Netherlands): Which margin is considered “wide” for bone sarcomas?
16:10 | Tomohiro Fujiwara (Japan): Which margin is considered “wide” for soft-tissue sarcomas? – Practical integration of margin quantity and quality
16:20 | Walid Ebeid (Egypt): Challenges to achieve “wide” margins in periarticular bone tumours of the knee
Difficult Cases & Poll
16:30 | Magdalena Maria Gilg (Austria) – Julia von der Linden (Austria): 2 cases
Chairs: Francis John Hornicek (United States) – Per-Ulf Tunn (Germany)
14:00 | Pietro Ruggieri (Italy): Pelvic sarcomas – The Padova experience
14:10 | Vivek Ajit Singh (Malaysia): Reconstruction techniques following PII pelvic resections
14:20 | Ashish Gulia (India): Biological reconstructions following internal hemipelvectomy
14:30 | Vineet John Kurisunkal (United Kingdom): The 10 most important BOOM findings
14:40 | Wei Guo (China): Outcomes with custom-made 3D printed hemipelvic reconstructions
14:50 | Arne Streitbürger (Germany): Why we avoid megaprosthetic reconstruction following pelvic resection
DEBATE 4: To close or not to close the ring? (Live Voting)
15:00 | Maria Anna Smolle (Austria): Case + First live voting
15:05 | Lee Jeys (United Kingdom): To close or not to close the ring? – Yes!
15:12 | Daniel Kotrych (Poland): To close or not to close the ring? – No!
15:19 | Second live voting + Discussion
Chairs: Eduardo Botello (Chile) – Domenico Andrea Campanacci (Italy)
11:00 | Ayman el Masry (Egypt): Single site osteotomy and frozen autograft for skeletal reconstruction in bone sarcoma management
11:10 | Han-Soo Kim (Rep. of Korea): Sparing the tibial physis: Distal femur hemiarthroplasty and bone lengthening in children
11:20 | Harzem Özger (Turkey): From Lexer and Juvara to Frozen Hotdog: the Istanbul Experience in Biological Reconstruction
11:30 | Andreas Krieg (Switzerland): The Capanna technique in paediatric patients
11:40 | Mikel San-Julián (Spain): Outcomes following reconstruction with the Canadell technique
11:50 | Luis Alberto Aponte Tinao (Argentina): Long-term results of allograft reconstructions
12:00 | Hindiskere Suraj (India): Surgical and oncological results of the telescope allograft technique in endoprosthetic reconstruction of the distal femur in children with a short proximal femur segment
Difficult Cases & Poll
12:10 | Marisa Valentini (Austria) & Valentin Gruber (Austria): 2 cases
Chairs: Eduardo J. Ortiz-Cruz (Spain) – Andreas Krieg (Switzerland)
09:00 | Rob Pollock (United Kingdom): Megaprostheses in paediatric patients – Indications and limits
09:10 | Eric Mascard (France): Vascularised vs. non-vascularised fibula in the paediatric patient
09:20 | Joseph Benevenia (United States): Indications and outcomes of allograft reconstructions in the paediatric patient
09:30 | Laura Campanacci (Italy): Hemiarthroplasty in very young children
09:40 | Odion Binitie (United States): Results and complications of growing prostheses in paediatric patients
09:50 | Michiel van de Sande (The Netherlands): The paediatric sarcoma patient – Just a tiny adult?
10:00 | Nadine Williams (United States): Management of paediatric patients beyond surgery
Difficult Cases & Poll
10:10 | Christoph Hofer (Austria) & Anna Hohensteiner (Austria): 2 cases
Basic Science I
Chair: Julia von der Linden (Austria)
800 | Vikas Bachhal (India): Can Micro RNAs (miR-22, miR-301a and miR-584) predict Chemoresistance in Osteosarcoma? – An observational study.
141 | Vasileios Apostolopoulos (Czech Republic): Implant Survival and Failure Patterns of Cemented Custom-Made Tumor Knee Endoprostheses after Distal Femoral Resection
111 | Zhenyu Cai (China): Mechanism of LRRC15 in Promoting Malignant Progression of Osteosarcoma
60 | Zhenfeng Duan (United States): Inhibition of the glucose transporter type 1 (SLC2A1/GLUT1) impairs chondrosarcoma growth and survival
43 | Chiara Gassner (Austria): Treatment of sarcomas with particle therapy. Retrospective, multicentre study of clinical and oncological outcomes in Austria
207 | Hideyuki Kinoshita (Japan): Redox Homeostasis as a Key Regulator of Tumor Progression in Epithelioid Sarcoma: Implications for Novel Therapeutic Strategies
80 | Hans Roland Dürr (Germany): Pathological deviation of gait pattern after megaprostheses implantation in the knee joint. Analysis.
215 | Andreas Leithner (Austria): MET/ALK Inhibition Enhances Carbon Ion Radiation Response in Sacral Chordoma Cells
693 | Aanchal Bhatia (India): Mid to Long Term Psychological Outcome in Sarcoma Survivors is Independent of Functional Outcome
161 | Blas Vargas (Chile): Primary Malignant Musculoskeletal Tumor Mortality Trends in Chile (1997–2022)
123 | Leilei Xu (China): Novel Oncogene COL8A1 Contributes to the Proliferation and Invasion of Osteosarcoma Cells Possibly via Interaction with EGFR
Biological Reconstructions I
Chairs: Humaid Al Farii (Oman) – Elisa Pala (Italy)
138 | Qiyuan Bao (China): The Outcomes of En-bloc tumor Resection with Neurovascular Reconstruction for Limb Salvage in Locally Advanced Bone and Soft Tissue Sarcoma
564 | Cecilia Belzarena (United States): Implementing Liquid Nitrogen for Biological Reconstruction from Scratch: Practical Setup, Surgical Pearls and Lessons Learned
569 | Cecilia Belzarena (United States): Reconstructing the Irreparable: A Novel Approach to Femoral Head Defects after Chondroblastoma Curettage
430 | Muni Srikanth Iytha (India): Cryoablation in Recurrent Adamantinoma of the Tibial Diaphysis in a Pediatric Patient – A Case Report
128 | Yusei Katsuyama (Japan): Risk Factors Associated with Delayed Bone Union after Reconstruction Using liquid Nitrogen–Treated Autografts Following Tumor Resection
183 | Adyb – Adrian Khal (Romania): Stability over Mobility: Vascularized Fibular Graft Arthrodesis for Complex Proximal Humerus Oncologic Reconstruction
271 | Nong Lin (China): Induced Membrane Technique versus Liquid Nitrogen–Treated Recycled Autograft Combined with Free Vascularized Fibular Graft for Reconstruction of Femoral Defects after Resection of Malignant Tumors: A Comparative Study of Two Biological Reconstruction Meth
393 | Jiri Lorenc (Czech Republic): Femoral Head Epiphyseo-Separation and Vascularized Fibular Autograft Reconstruction for Proximal Femur Ewing Sarcoma: A 12-year Follow-up
116 | Shinji Miwa (Japan): Graft survivals after reconstruction using tumor-bearing frozen bone in the extremities
1007 | Bugra Alpan (Turkey): Limb salvage outcomes following periacetabular resections in pediatric and adolescent patients
372 | Andrea Sambri (Italy): Graft Infections in Biologic Reconstrustions in the Oncologic Setting: Preliminary Results of a Multicentric Study
285 | Xiaobo Yan (China): Comparative Study of Segmental Prosthesis Combined with Allogeneic Bone Plate and Flanked Segmental Prosthesis in the Treatment of Femoral Shaft Tumor Defects after Resection
607 | Ilyas Rafi (Pakistan): Outcomes of Biological Reconstruction with Liquid Nitrogen-treated Bone in Bone Sarcomas in Developing Countries
1027 | Soufyan Maazouzi (The Netherlands): Kinetic compensatory mechanisms during walking in rotationplasty patients: A cross-sectional study
Bone Sarcoma I
Chairs: Patricio Alfaro (Chile) – Zeeshan Khan (Pakistan)
333 | Mohammed Arafah (Saudi Arabia): Tranexamic Acid and Tourniquet Use in Osteosarcoma Resection and Reconstruction: A Retrospective Study
211 | Won-Jong Bahk (South Korea): Differentiation of Enchondroma and Low-Grade Chondrosarcoma of the Hand: A Clinicoradiologic–Pathologic Study
88 | İbrahim Halil Demir (Turkey): Malignancy in Cartilage Tumors Predict By Inflammatory Markers
284 | Jorinde Denissen (The Netherlands): Physical Therapy Protocols for Patients with a Megaprosthesis after Bone Tumor Resection
21 | Khalil Farooque (Pakistan): Comparative Evaluation of Mega Prostheses for Proximal Tibia and Distal Femur Sarcoma Reconstruction: Clinical Outcomes and Complications in a Retrospective Cohort Study
37 | Yucheng Fu (China): The Prognostic Value of Pretreatment Complete Blood Count Parameters in Primary Osteosarcoma: A Multicenter Study of 449 Cases after Limb-Salvage Surgery
476 | Magdalena Maria Gilg (Austria): Is Core Needle Biopsy Tract Resection Mandatory in Sarcoma Patients? A Cross-sectional Survey of Orthopaedic Oncologists’ Practices
152 | Phakamani G Mthethwa (South Africa): Progression of Conventional Osteosarcoma of the Appendicular Skeleton on Adjuvant Chemotherapy: Single-Centre Results of 3-year Minimum Follow-up within South Africa
176 | Phakamani G Mthethwa (South Africa): Prognostic Factors for Overall Survival of Conventional Osteosarcoma of the Appendicular Skeleton within a Single-Centre South Africa
943 | Akshay Tiwari (India): A Structured NGO-Supported Care Pathway for Paediatric Bone and Soft-Tissue Sarcomas in India: A Multicentre Model to Improve Equitable Access, Limb-Salvage, and Survival Outcomes
129 | Karoline Schwarz (Austria): Iatrogenic Tumor Cell Seeding Following a Pathologic Fracture in an Undiagnosed Osteosarcoma: A Case Report
68 | Qianyu Shi (China): Detection of Molecular Residual Disease in Osteosarcoma using Circulating Tumor DNA
306 | Yasunori Tome (Japan): Impact of Recurrence and Metastasis Timing on the Prognosis of Osteosarcoma
213 | Anna Cooper (United States): Innovative Large-Gap Nerve Reconstruction during Limb-Salvage for Recurrent Popliteal Osteosarcoma requiring Tibial Nerve Resection
100 | Shoufeng Wang (China): Biological reconstruction of bone defect after resection of osteosarcoma in distal tibia
313 | Hüseyin Yusuf Yildiz (Turkey): Evaluation of the Functional Results of Reconstruction with Endoprosthesis for Distal Femur and Proximal Tibia Primary Musculoskeletal Tumors
Bone Sarcoma II
Chairs: Philip Rowell (Australia) – Christian Pauritsch (Austria)
548 | Sumin Jeong (United States): Size-Stratified Chemotherapy Effects in Soft Tissue Sarcomas: A Propensity Matched Cohort Analysis
516 | Mishari Alanezi (Saudi Arabia): Which comes First In Osteosarcoma Management, Chemotherapy or Surgery? A Systematic Review and Meta-analysis of Oncological Outcomes
494 | Mouli Edward (Indonesia): Neglected Case of Osteosarcoma II B on the Distal Right Femur with Ulcer Penetrating Both Sides of the Left Thigh
515 | Odion Binitie (United States): Area Deprivation Index Impact on Adolescents and Young Adults with Bone Sarcoma
702 | Ezekiel Dingle (United States): Trivariate Spline Modeling of BMI-operative Time-hematocrit Interactions for Transfusion Risk Prediction in Sarcoma Surgery
770 | Mohammad Halawani (Saudi Arabia): Reconstruction of the Distal Fibula with a Trevira Tube following Oncologic Resection: A Case Series
751 | Anna Hohensteiner (Austria): Leiomyosarcoma of Bone – A Single Center Experience with 19 Cases of a Rare Entity
739 | Mustafa Onur Karaca (Turkey): Impact of Histological Grade and Surgical Margin Status on Outcomes in Low-grade Osteosarcoma: A Retrospective Cohort Study
572 | Taisuke Matsuyama (Japan): World’s First Case of De-differentiated Adamantinoma with Osteosarcomatous Differentiation: A Novel Two-stage Reconstruction Strategy using a Temporary Arteriovenous Shunt
732 | Oluwaseyi Idowu (Nigeria): Diagnostic Value of Inflammatory Markers in Primary Bone Sarcomas
645 | Noel Rex Penaranda (Philippines): Unique Capabilities of Rotationplasty Demonstrated in Two Rare Pediatric Cases
588 | Haijie Liang (China): SKP2 Marks Immune Exclusion and Predicts Checkpoint Outcomes: Pan-cancer Multi-omics with in Vivo Validation in an Immunocompetent Osteosarcoma Model
507 | Zachary Reuter (United States): Lateral Knee Reconstruction after Complex Tumor Resection: A Retrospective Case Review of Patients with Tumors of the Proximal Fibula and Surrounding Soft Tissues
737 | Abigail Tud (Philippines): Pathological Fracture in Localized High Grade Osteosarcoma: Limb Salvage or Amputation?
604 | Arvid Von Konow (Sweden): No Survival Benefit following Implementation of Standardized Care Pathway for Bone Sarcoma in Sweden
1024 | Rezeart Dalipi (North Macedonia): Does the Choice of Reconstruction Matter? Hemiarthroplasty versus Intramedullary Nail Osteosynthesis for Pathological Metastatic Fractures of the Proximal Femur: Clinical, Functional, and Quality-of-Life Outcomes
Infections I
Chairs: Mariel Spense (Argentina) – Vinod Ravi (United States)
514 | Omar Aldosari (Saudi Arabia): Two-stage Management of Prosthetic Infection after Pediatric Total Femur Replacement: Custom 3D‑printed Mold and Antibiotic Cement Spacer Enabling Limb Salvage
85 | Lorenzo Andreani (Italy): Limb Salvage in Large Segmental Bone Infections Using Hand-Made Antibiotic-Loaded Megaspacers: Surgical Technique and Early Outcomes
701 | Joseph Benevenia (United States): Management of Complications in Patients Treated with Photodynamic Polymer Stabilization for Metastatic Bone Disease
812 | Mattie Raiford (United States): Does Adding Calcium Sulfate Beads Lead to Higher Treatment Success Rates in Megaprosthetic Joint Infections?
391 | Alex Hayden (United States): Surgical Management of Infected Tumor Endoprostheses: Survivorship and Mid-term Implant Prognosis
13 | Christina Enciso Holm (Denmark): Evaluation of modular segmental distal femur mega-prostheses: Patient survival, surgical outcomes and functional outcome
650 | Hyun-Soo Kim (South Korea): Clinical Outcome of Periprosthetic Infection after Tumor Reconstruction
157 | Cail Aleksei Lingatong (Philippines): Outcome of Delayed Conversion from Arthrodesis to Megaprosthesis in Patients with Osteosaroma Around the Knee: A Case Series
922 | Tomas Zamora (Chile): How Durable Are Lower Extremity Megaprostheses? Mid- and Long-Term Revision-Free Survival and Predictors of Failure from a Contemporary Institutional Cohort
638 | Berksu Polat (Turkey): Surgical Management and Risk Factors of Stem Breakage in Megaprosthetic Limb Salvage: The “Extended Osteotomy” Technique and the Impact of Stem Diameter
170 | Sarah Tepper (United States): Factors Related to Aseptic Loosening in Endoprosthetic Reconstruction of the Proximal Tibia
196 | Pietro Ruggieri (Italy): Megaprosthetic Reconstruction for Limb Salvage in Complex Oncologic and Non-Oncologic Lower Limb Revisions
429 | Marisa Ulrich (United States): Inflammatory Markers in Periprosthetic Joint Infection of Tumor Endoprostheses versus Primary Arthroplasty: A Matched Comparison
72 | Marisa Valentini (Austria): Hydatid cysts in the musculoskeletal system: Retrospective case analysis and overview of Austrian epidemiology
46 | Paweł Łęgosz (Poland): Don’t repeat our mistakes – complications and management of Total Femur Replacement
Pelvic Reconstructions I
Chairs: Mikel San-Julián (Spain) – Arianna Rizzo (Italy)
159 | Juan Chaustre (Colombia): Surgical Challenges and Reconstruction Outcomes in Hip Osteoradionecrosis: A Ten-Year Experience at a National Cancer Reference Center
163 | Minna Laitinen (United Kingdom): Reducing Complication in Pelvic Resection: An Aggregation of Marginal Gains
424 | Ling Xiu Wen (Malaysia): Outcome of Type 4 Pelvic Resection and Reconstruction with a High Hip Center in Malignant Pelvic Tumors: A Case Series and Short-term Review
132 | Juan Barriga (Canada): Modular Reconstruction of The Acetabulum in Sarcoma Surgery: A Retrospective Cohort Study
258 | Xiu Wen Ling (Malaysia): Outcome of Type 2 Pelvic Resection and Reconstruction with Acetabular Cage in Malignant Pelvic Tumours: A Case Series and Short-term Review
222 | Malena Redl (Austria): Should the Pelvic Ring be Closed after Tumor Resection? A Systematic Review
406 | Mohd Ariff Sharifudin (Malaysia): Predictors of Major Haemorrhage in Internal Hemipelvectomy: A Focus on Acetabular Involvement
201 | Bruno Terrarossa (Argentina): Incidence of Complications in Pelvic Tumor Resection and Reconstruction Surgery Using 3D Technology
893 | Mohammad Hardian Basuki (Indonesia): The Clinical Decision-Making in Pelvic Metastatic Bone Disease: A Registry-Based Comparison of ISOLS Scores in a Tertiary Oncology Center
890 | Mohammad Hardian Basuki (Indonesia): Hemipelvectomy Functional Outcomes in Pelvic Tumor Patients at Tertiary Referral Centers: A Retrospective Study
225 | Zhaoming Ye (China): Fertility Intentions and Outcomes in Reproductive-aged Women Following Pelvic Tumor Surgery
1022 | Faqi Nurdiansyah Hendra (Indonesia): Clinical Outcomes and Safety of Percutaneous Cement-Augmented Stabilization for Periacetabular Metastatic Lesions: A Systematic Review and Meta-analysis
Soft Tissue Sarcomas I
Chairs: Nadine Williams (United States) – Maria Anna Smolle (Austria)
250 | Anna Cooper (United States): Can we Operate Sooner? Earlier Surgery after Pre-operative Radiation does not Increase Wound Complications in Soft Tissue Sarcoma Care
158 | Brett Bukowski (United States): Perioperative Blood Transfusion and Oncologic Outcomes in Myxofibrosarcoma
165 | Marcos Galli Serra (Argentina): Simultaneous Resection of Synchronous Myxoid Liposarcoma of the Popliteal Fossa and Distal Femur with Limb-Salvage Oncologic Endoprosthetic Reconstruction
193 | Praveen Gupta (India): Impact of Microscopic Margins of Soft Tissue Sarcomas Resected with Curative Margins; A Single Centre Observational Study
73 | Chang-Bae Kong (South Korea): Clinical Impact of Adjuvant Therapy and Prognostic Factors in Localized Myxofibrosarcoma: A Retrospective Single-Center Study with Long-Term Follow-Up
94 | Siu Ming Anderson Leung (Hong Kong): Achieving independent ambulation with ankle-foot orthoses after sciatic nerve sacrifice for high-grade sarcoma: a retrospective analysis
181 | Chiao Yee Lim (Malaysia): A Report of Two Cases – Soft Tissue Sarcomas in Extreme Age Group
126 | Pocholo Iñigo Morales (Philippines): High-Grade Angiosarcoma Arising Beside a Pelvic Orthopedic Implant: A Case Report
254 | R.Lor Randall (United States): The Cost of Surveillance in California: MRI Utilization In Recurrent Extremity Soft Tissue Sarcoma
110 | Himanshu Rohela (India): A Decade of Experience in Soft Tissue Sarcoma with Synchronous Pulmonary Metastases: Prognostic Factors and Long-Term Survival Insights.
776 | Nor Faissal Yasin (Malaysia): Survival and Recurrence in Liposarcoma: Insights from a Single-centre Asian Cohort Study
2 | Emre Tepedelenlioglu (Turkey): Outcome of Soft Tissue Popliteal Sarcomas: 15 Years of Experience
31 | Desirée Dorleijn (Belgium): Multidisciplinary Surgical Meetings in Sarcoma Care: Current Practices and Opportunities for Improvement – A Qualitative Descriptive Pilot Study
242 | Floortje Verspoor (The Netherlands): Planned Versus Unplanned Excision of Soft Tissue Sarcoma: A Systematic Review of Risk Factors, Oncologic Outcomes and Costs
885 | Masami Hosaka (Japan): Experience in multidisciplinary collaborative surgery for malignant tumor arising from the chest wall
259 | Kensaku Yamaga (Japan): Factors Associated with Delayed Referral to a Specialized Center in Soft Tissue Sarcoma
536 | Lena Stojec (Austria): CLCN6-BRAF Gene Fusion Spindle Cell Sarcoma in a Pediatric Patient: A Case Report
692 | Karim Masrouha (United States): Geographic Distance to Treatment Center Influences Demographics and Treatment Patterns in Soft Tissue Sarcoma: A National Cancer Database Analysis
Chairs: Matthew Houdek (United States) – Eric Staals (Italy)
16:00 | 781 | Introductory lecture | Lizz van der Heijden (The Netherlands): Reaching Skeletal Maturity: Surgical Outcomes and Failure Patterns of the Juvenile Tumour System Non-invasive Extendible Implants for Paediatric Extremity Bone Tumours
16:10 | 167 | Minna Laitinen (Finland): Proximal Humerus Bone Sarcomas in Pediatric Patients Under 16 Years: A Retrospective Analysis of Surgical Results and Complications
16:13 | 173 | Khalil Farooque (Pakistan): Limb Salvage Using Non-Expandable Endoprostheses in Skeletally Immature Patients with Sarcoma: A Retrospective Analysis
16:16 | 185 | Han Wang (China): Risk Factors for Stiff Knee Following Mega-Prosthetic Replacement for Malignant Tumors Around the Knee
16:19 | 235 | Costantino Errani (Italy): Complications and Reconstruction Survival of Distal Femur Expandable Prostheses in Children with Primary Bone Tumors
16:22 | Discussion
16:30 | 923 | Michele Boffano (Italy): Allograft–Prosthetic Composite in Pediatric Bone Sarcoma and Surgical Long-Term Outcomes: Our Experience
16:33 | 472 | Eunkyu Yang (South Korea): Long-term Clinical Outcomes of Pediatric Osteosarcoma after Surgical Treatment: A 20-Year Single-Institution Experience
16:36 | 935 | Aaditya Patni (India): Feasibility and Long Term Durability of Long Segment Intercalary Tibia Defects Reconstructed with Pedicled Vascularized Fibula: Are Outcomes Different In Pediatric Vs Adult Patients?
16:39 | 510 | Luis Alberto Aponte-Tinao (Argentina): Massive Bone Allograft use in Pediatric Patients. What to Expect after 10 Years?
16:42 | Discussion
16:50 | 624 | Osman Emre Aycan (Turkey): Predicting Radial Head Dislocation in Hereditary Multiple Osteochondromatosis: A Quantitative Radiologic Approach
16:53 | 676 | Odion Binitie (United States): Outcomes of Upper Extremity Expandable Endoprosthesis in Pediatric Patients
16:56 | 717 | Margaret Roubaud (United States): Efficacy of Targeted Muscle Reinnervation in Pediatric Oncologic Amputation: A Longitudinal Comparative Study
16:59 | 763 | Bas Schuitema (The Netherlands): Prevalence and Risk Factors of Persistent and Neuropathic Pain following Resection of Pediatric Extremity Soft Tissue Sarcomas: A Nationwide Cohort Study
17:02 | Discussion
17:10 | 774 | Piya Kiatisevi (Thailand): Preserving the Proximal Tibial Epiphyseal Plate with a Tibial Polyethylene Insert and Pasteurized Prosthetic Composite for Distal Femur Osteosarcoma in Children
17:13 | 840 | Kuan-Lin Chen (United States): Contralateral Lower-Limb Growth After Systemic Chemotherapy and Surgery for High-Grade Osteosarcoma in Children: A Retrospective Longitudinal MRI Study
17:16 | 1015 | Thomas J. Scharschmidt (United States): Change in Standard Uptake Value after Neoadjuvant Chemotherapy Correlates with Necrosis and Length of Survival in Pediatric Osteosarcoma
17:19 | 990 | Dareen Rednah (Australia): Biological distal femur reconstruction, the future of pediatric reconstruction and its complications
17:22 | Discussion
Chairs: Eric Henderson (United States) – Adyb-Adrian Khal (Romania)
14:30 | 308 | Introductory lecture | Shinn Kim (South Korea): PathFxDx: Deep Learning Model for Differentiating between Neoplastic Pathologic Fracture and Nonpathologic Fracture Using Hip Radiographs
14:40 | 20 | Lorenzo Andreani (Italy): Robot-assisted one-stage combined anterior and posterior approach to sacral chordomas. A new frontier for multidisciplinary surgical treatment
14:43 | 50 | Felipe Murad (Argentina): Can navigation improve the ability to achieve tumor-free margins in extremity bone sarcoma resections?
14:46 | 144 | Fabrice Scheurer (Switzerland): Enhancing Surgical Navigation In Bone Tumour Resection Through Robot-Assisted Guidance: A Proof-of-Concept Study
14:49 | 156 | Şafak Aydın Şimşek (Turkey): Automated Detection and Segmentation of Bone Metastases in Radiographs Using a Transfer Learning-Based U-Net Model
14:52 | 169 | Lee Jeys (United Kingdom): Deep Learning Models for Automated Database Entry from Direct Dictation or Unstructured Text and Chondrosarcoma Outcome Prediction
14:55 | Discussion
15:05 | 197 | Seva Gill (United Kingdom): Agreement between Virtually Planned and Histopathologically Achieved Bony Resection Margins in Complex Bone Tumour Surgery
15:08 | 316 | Man Lung Moses Li (Hong Kong): Mixed Reality: The Future Key to Defining Optimal Soft Tissue Sarcoma Margins Operatively
15:11 | 361 | Yucheng Fu (China): Machine Learning-Based Multimodal Model for Predicting Early Relapse in Osteosarcoma Patients Following Neoadjuvant Chemotherapy
15:14 | 555 | Sumin Jeong (United States): Validating Explainable Artificial Intelligence as a Decision-Support Tool for Mortality Risk Stratification in Pediatric Extremity Sarcoma Surgery
15:17 | 673 | Iris Skornja (The Netherlands): Globalizing AI in Sarcoma Care: External Validation of a US-Based Model for Predicting Survival in Dutch Patients with Undifferentiated Pleomorphic Sarcoma
15:20 | Discussion
Chairs: Will Aston (United Kingdom) – Paul Jutte (The Netherlands)
11:00 | 648 | Introductory lecture | Kumaran Rasappan (Singapore): Can we Quantify a Safe Margin to Reduce Local Recurrence in Parosteal Osteosarcomas around the Distal Femur?
11:10 | 89 | İbrahim Halil Demir (Turkey): A comparative analysis of bone and soft tissue hydatid disease: A retrospective cohort study
11:13 | 121 | Masato Fumoto (Japan): Temporary Pubectomy – A Safe Method to Expand Surgical Space for Resection of Large Intrapelvic Tumors: Report of Two Cases
11:16 | 146 | Francisco Principe (Argentina): Massive Bone Allograft Use in Childrens Under 10 Years Old
11:19 | 296 | Hüseyin Yusuf Yildiz (Turkey): Intramedullary Nailing for Subtrochanteric Lesions in Patients with Multiple Metastatic Bone Disease: A Retrospective Cohort and Finite Element Analysis
11:22 | Discussion
11:30 | 304 | Minxun Lu (China): Uncemented Slotted Stem vs. Short Stem for Endoprosthetic Reconstruction in Pediatric Bone Tumor Patients: A Retrospective Analysis of Prosthetic Performance and Functional Outcomes
11:33 | 998 | Mahmoud Smida (Tunisia): Revascularization of non-vascularized bone autograft by preserved periosteum after resection of high-grade malignant bone tumors in children—a new biological reconstruction technique. Surgical video
11:36 | 256 | Jong Woong Park (South Korea): Strategic Integration of Patient-Specific 3D-Printed Components with Conventional Modular Systems for Joint-Preserving Limb Salvage
11:39 | 353 | Minxun Lu (China): A Biomechanical Comparison Between Cement Packing Combined with Extra Fixation and Three-Dimensional Printed Strut-Type Prosthetic Reconstruction for Giant Cell Tumor of Bone in Distal Femur
11:42 | Discussion
11:50 | 964 | Michele Boffano (Italy): Radiomic Biomarkers from MRI for Predicting Chemotherapy Response in Synovial Sarcoma: A Retrospective Single-Center Study
11:53 | 941 | Ademide Young (United States): Compressive Osseointegration Distal Femur Endoprostheses: Survivorship and Patient Reported Functional Outcomes at Minimum 10-year Follow-up
11:56 | 565 | Francis Lee (United States): Which Patients Require Urgent Stabilization of Periacetabular Metastases? Biomechanical, Clinical and Radiographical Risk Factors for Progression to Pathological Protrusio
11:59 | 955 | Domenico Andrea Campanacci (Italy): Limb salvage surgery for soft tissue sarcomas. The outcomes of 34 vascular by-passes.
12:02 | Discussion
12:10 | 140 | Qiyuan Bao (China): Response-Adapted Preoperative Surveillance is Associated with Long-term Outcomes after Pulmonary Metastasectomy in Osteosarcoma: A 22-year High-volume Cohort Study
12:13 | 119 | Tsukasa Mizuno (Japan): Utility of Artificial Intelligence for the Histopathological Diagnosis of Cartilaginous Tumors
12:16 | 929 | Thomas Evans (United States): Why does pelvic chondrosarcoma recur more often? The role of margins, grade, and complications
12:19 | 950 | Thomas Evans (United States): The prognostic impact of pathologic fracture in chondrosarcoma of the long bones: independent prediction of local recurrence
12:22 | Discussion
Chairs: Shea Byrne (United Kingdom) – Shintaro Iwata (Japan)
09:00 | 467 | Introductory lecture | Lee Zuckerman (United States): Evaluation of Burnout, Moral Distress and Moral Injury in Musculoskeletal Oncology Physicians
09:10 | 65 | Marisa Valentini (Austria): Total femur replacement: function, quality of life and gait. A multicentric EMSOS Study
09:13 | 273 | Eric R. Lovin (Indonesia): Functional Outcomes following Prolene Mesh Augmentation in Proximal Humerus and Femur Resection Arthroplasty: A Single-Center Retrospective Cohort Study
09:16 | 299 | Nathan Donaldson (United States): How is Opioid Utilization Associated with Quality of Life Outcomes in Pediatric Sarcoma Patients?
09:19 | 335 | Youngkeun Lee (South Korea): Association Between Flap Reconstruction and Patient-Reported Outcomes Following Soft Tissue Sarcoma Excision: A Propensity Score-Matched Analysis
09:22 | Discussion
09:30 | 367 | Shea Byrne (United Kingdom): Functional Recovery and Quality of Life Following Pelvic and Lower Limb Osteosarcoma Surgery: A Two-Year ICONIC Cohort Study
09:33 | 369 | Charles Abraham Villamin (Philippines): Translation and Validation of the Filipino Version of Musculoskeletal Tumor Society (MSTS-PH) Score for Lower Extremity Sarcomas
09:36 | 448 | Kunihiro Ikuta (Japan): Megaprosthesis Replacement around the Knee for Primary Bone Tumors: Implant Survival and Functional Outcomes in Pediatric and AYA Patients
09:39 | 521 | Shalin Patel (United States): Financial Toxicity in Patients with Resected Localized Primary Sarcoma of the Extremities
09:42 | Discussion
09:50 | 590 | Alexander Iwasyk (Canada): Characterizing Longitudinal Trends in Free-living Patient Mobility and Patient-reported Outcomes for Surgically Managed Metastatic Bone Disease using a Novel Smartphone-application for Remote Patient Monitoring
09:53 | 649 | Evrim Sirin (Turkey): Divergence between Physical Recovery and Mental Deterioration in Osteosarcoma: A Longitudinal Psychological Analysis
09:56 | 695 | Mohammad Arafah (Saudi Arabia): The Ray Challenge: How many Ray Resections can Patients Tolerate and which Ray Resections affects Functional Outcome the most in Orthopedic Oncology?
09:59 | 711 | Santiago Lozano-Calderón (United States): Patient Perspectives on Recovery and Satisfaction after Hemipelvectomy for Pelvic Tumors
10:02 | Discussion
10:10 | 819 | Krista Goulding (United States): Patient-Generated Domains of Recovery in Soft Tissue Sarcoma: A Longitudinal Analysis Using the Patient-Generated Index
10:13 | 832 | Bianca Nash-Smith (Australia): Biopsychosocial experiences and needs of adults with sarcoma: a systematic review and meta-synthesis
10:16 | 940 | Sarah Freund (Denmark): Cross-cultural validation of PROMIS Cancer Physical Function and Pain Interference in Sarcoma Patients from Denmark and India
10:19 | 966 | Christoph Hofer (Austria): Long-Term Deformities, Function, and Quality of Life after Pediatric Pelvic Sarcoma Surgery
10:22 | Discussion
Chairs: Dimosthenis Andreou (Germany) – Emmy Nyqvist (Sweden)
8:00 | 27 | Introductory lecture | Edoardo Ipponi (Italy): Percutaneous decompression, sclerotization, and injection of bone marrow concentrate can heal aneurysmal bone cysts
8:10 | 42 | Aaron Gazendam (Canada): Does Extended Curettage Decrease the Local Recurrence Rate of Chondromyxoid Fibroma? – A Single-Center Analysis
8:13 | 113 | Blaz Mavcic (Slovenia): NFATC2 fusions predict recurrence risk in surgically treated simple bone cysts
8:16 | 172 | Rodanthi Margariti (Greece): Predictors of Treatment Response in Pediatric Aneurysmal Bone Cysts: A Single-Center Cohort Study
8:19 | Discussion
8:27 | 634 | Jaffer Al-Haidary (Australia): Metastatic Chondroblastoma: Systematic Review of Reported Cases, Risk Factors and Surveillance Recommendations
8:30 | 982 | Bartlomiej Szostakowski (Poland): Off-Label Use of Denosumab in Locally Advanced Aneurysmal Bone Cyst: A Case Series of 10 Patients
8:33 | 1006 | Bugra Alpan (Turkey): Is prophylactic fixation necessary after extended curettage and cementation of lower extremity cartilage tumors? A retrospective analysis of fracture risk and functional outcomes
8:36 | 1008 | Shinji Tsukamoto (Japan): Development of a Web-Based Nomogram Predicting Local Recurrence of Giant Cell Tumor of Bone in an Extremity after Curettage
8:39 | Discussion
Chairs: Cătălin Cîrstoiu (Romania) – Tomas Tomas (Czech Republic)
16:00 | Introductory lecture | Saminathan Suresh Nathan (Singapore): Emerging systemic therapies for bone and soft tissue sarcomas
16:10 | 326 | Jonathan Stevenson (United Kingdom): An Introduction to the PORTRAIT Trial, a Multi-centre, Two-arm, Parallel-group Randomised Controlled Trial of Post-operative Radiotherapy in Surgically Treated Bone Metastases
16:13 | 231 | Ran Wei (China): Using Percutaneous Combined Cryo-thermal Ablation for Bone Metastases: Preliminary Results from a Single Center
16:16 | 264 | Xiaodong Tang (China): Preliminary Report on Intraoperative Near-Infrared (NIR) Imaging Guided Curettage for Sacral Giant Cell Tumors
16:19 | 281 | Binghao Li (China): Efficacy and Safety of Vebreltinib in Advanced Clear Cell Sarcoma (VEBrant): A Multicenter, Phase II Study
16:22 | Discussion
16:30 | 332 | Junxiang Wen (China): Anlotinib, Radiotherapy and Surgery for High-Grade Soft-Tissue Sarcomas with High Recurrent Risk: A Phase II Single Arm Prospective Trail
16:33 | 526 | Arpan Doshi (United Kingdom): Novel Porous Uncemented Joint Sparing Endoprosthetic Replacements for Limb Salvage Surgery
16:36 | 547 | Cheng-Yo Lai (Taiwan): Association between Parathyroid Hormone Analog Use and Risk of Incident Bone Metastases in Patients with Solid Tumors: A Propensity Score–matched Database Study
16:39 | 550 | Emily Peairs (United States): Does Chemotherapy Improve Survival for Patients with Synovial Sarcoma?
16:42 | Discussion
16:50 | 328 | Daniel Müller (Switzerland): Intraoperative Indocyanine Green Fluorescence Imaging for Margin Assessment in Sarcoma Surgery: A Systematic Review of Clinical Evidence
16:53 | 646 | Tao Ji (China): Early Clinical Outcomes of a 3D-Printed Axial Compressive Endoprosthesis (ACE) for Metaphyseal and Diaphyseal Reconstruction after Bone Tumor Resection
16:56 | 667 | Raymond Yau (Hong Kong): The Use of Synthetic Dermal Matrix for Soft Tissue Coverage after Tumour Resection: Initial Experience
16:59 | 688 | Steven Thorpe (United States): How Have Positive Results from Recent SARC Immunotherapy Trials Changed the Treatment for Soft Tissue Sarcoma? An NCDB Analysis
17:02 | Discussion
17:10 | 691 | Krittawat Suwanpukdee (Thailand): A Randomized-controlled Trial of Bleomycin versus VEGF Inhibitor in the Treatment of Intramuscular Hemangiomas of the Extremities
17:13 | 843 | Shan Abdul Khalam (India): Nail-Plate Cement Spacer – A cost effective reconstructive solution for primary and metastatic bone tumor salvage surgeries
17:16 | 677 | Fanwei Zeng (China): Expression of B7-H3 in Primary Malignant Bone Tumors and its Imaging Performance as a Target for Fluorescence-guided Surgical Navigation
17:19 | 712 | Santiago Lozano-Calderón (United States): Wound Complications after Staged Free Flap Reconstruction for Sarcoma
17:22 | Discussion
Chairs: Mark C. Gebhardt (United States) – Daniel Kotrych (Poland)
14:30 | 811 | Introductory lecture | Emanuela Palmerini (United States): Comprehensive genomic landscape of osteosarcoma: Systematic review and analysis of 1,058 patients across 20 studies with therapeutic implications from the Fight Osteosarcoma Through European Research (FOSTER) Consortium
14:40 | 4 | Yao Weitao (China): Local relapse as a driver of Rapid Systemic Spread in Limb and Pelvic Osteosarcoma: Evidence from a Single-Centre Retrospective Study
14:43 | 314 | Caitlin Bodian (New Zealand): RTS Osteosarcoma: Longitudinal Outcomes, Metachronous Disease and Anatomical Patterns in a New Zealand Cohort
14:46 | 446 | Shangsen Su (China): Re-evaluating the Incidence, Associated Factors and Clinical Significance of Peritumoral Microscopic Vascular Invasion in Osteosarcoma
14:49 | 599 | Kumaran Rasappan (Singapore): What is the Ideal Surgical Resection Margin that Gives the Best Outcomes in Patients with Parosteal Osteosarcomas?
14:52 | 700 | Joseph Benevenia (United States): Patients Older than Forty with Osteosarcoma have Worse Outcomes than Pediatric Osteosarcoma Patients
14:55 | Discussion
15:05 | 779 | Jian Tu (China): Comparison of the Effectiveness of Neoadjuvant Chemotherapy versus Upfront Surgery for Osteosarcoma: A Target Trial Emulation Study
15:08 | 839 | Junqiang Yin (China): Prospective Multicenter Validation of a Simple Clinical Model for Differentiating Telangiectatic Osteosarcoma from Aneurysmal Bone Cyst
15:11 | 858 | Ashish Gulia (India): Outcomes in surgically treated primary Osteosarcoma of the pelvis. Do they behave differently?
15:14 | 914 | Anand Raja (India): What Is the Natural History and Prognostic Significance of Indeterminate Pulmonary Nodules in Patients with Extremity Osteosarcoma?
15:17 | 919 | Manish Pruthi (India): Factors affecting oncological outcomes in Periosteal osteosarcoma – A Single institution study of 31 cases
15:20 | Discussion
Chairs: Scott Sommerville (Australia) – Raymond Yau (China)
11:00 | Introductory lecture | Bernadette Liegl-Atzwanger (Austria): The clinical implication of novel sarcoma variants
11:10 | 535 | Thomas Evans (United States): Do Tissue-specific Margins Influence Outcomes after Negative Resection in Chondrosarcoma?
11:13 | 200 | Jean-camille Mattei (France): Adamantinoma: Multicentric Study from the French Sarcoma Group
11:16 | 274 | Dimosthenis Andreou (Germany): Does the Distance to the Bony Resection Margin Affect the Local Recurrence Probability in Ewing Sarcoma? A Retrospective Analysis of Data from the EURO-E.W.I.N.G.-99 Trial
11:19 | 95 | Tingting Ren (China): Tertiary Lymphoid Structures Predict Prognosis and Immune Landscape in Osteosarcoma: A Machine Learning-Based Transcriptomic Study
11:22 | Discussion
11:30 | 174 | Lu Xie (China): sB7-H3 as a Prognostic Biomarker in Osteosarcoma: Insights into Clinical Outcomes
11:33 | 540 | Brandon Gettleman (United States): EWSR1-FLI1-Associated Cohesin and DNA Damage Response Dependencies Identified by Pan-Cancer CRISPR Profiling in Ewing Sarcoma
11:36 | 596 | Xingyu Liu (China): Age-stratified Transcriptomic Profiling reveals Distinct Molecular Phenotypes and a Pediatric Prognostic Signature in Osteosarcoma
11:39 | 679 | Hongfang Zhu (China): PI3K Inhibitor Impairs Tumor Progression and Enhances Sensitivity Toanlotinib in Anlotinib-resistant Osteosarcoma
11:42 | Discussion
11:50 | 930 | Alaa Hamayel (Palestine): Chondromyxoid Fibroma of Bone: A 30-Year Multicenter Experience Evaluating Oncological and Functional Outcomes with Risk-Adapted Surgical Management
11:53 | 727 | Angela Mercurio (United States): Long Term Outcomes of Ewing Sarcoma of the Foot and Ankle
11:56 | 910 | Giuseppe Francesco Papalia (Italy): Accuracy of preoperative biopsy in identifying definitive histology in malignant chondroid tumours
11:59 | 915 | Anand Raja (India): The Limited Clinical Utility of Routine Intraoperative Marrow Squash Smears in Long Bone Sarcoma Resections
12:02 | Discussion
12:10 | 710 | Pablo Patino (United States): Venous Thromboembolism (VTE) in Patients with Metastatic Bone Disease versus Malignant Primary Bone or Soft Tissue Tumors
12:13 | 863 | Jinchang Lu (China): Cross-species genomic analysis identifies the histone lysine methyltransferase NSD3 as a driver of osteosarcoma
12:16 | 382 | Sreeraj Rajan (United Kingdom): Oncological Outcomes of High Grade Soft Tissue Sarcomas Presenting with Bone Invasion
12:19 | 388 | Odion Binitie (United States): To Stage or Not to Stage? A Multi-Institutional Review of Staged Resection with Temporizing VAC on Soft Tissue Sarcoma and Local Recurrence Rates
12:22 | 797 | Robert Satcher (United States): BIGH3 mediates osteocyte regulation and osteoclast activity in renal cell carcinoma bone metastasis
12:25 | Discussion
Chairs: Lester Chan (Singapore) – Daniel A. Müller (Switzerland)
09:00 | Introductory lecture | Joanna Szkandera (Austria): Systemic therapies for advanced soft tissue sarcomas – New drugs, new hope?
09:10 | 49 | Hans Roland Dürr (Germany): Soft tissue sarcomas with fibromyxoid or fibromyoblastic differentiation
09:13 | 55 | Michelle Ghert (United States): The Surveillance After Extremity Tumor Surgery (SAFETY) International Multi-Center Randomized Controlled Trial
09:16 | 63 | Samar Mousa (United Kingdom): Standardising Care in Soft Tissue Sarcoma Clinics: A Retrospective Review and Protocol Development
09:19 | 76 | Vivek Ajit Singh (Malaysia): Validation of the PERSARC Scoring System for Overall Survival in Malaysian Patients with High-Grade Extremity Soft Tissue Sarcoma: A Retrospective Cohort Study
09:22 | Discussion
09:30 | 93 | Taewook Kim (South Korea): Does Age Matter? Older Age Is Associated With Aggressive MRI Features and Worse Cancer-Specific Survival in Myxofibrosarcoma and Undifferentiated Pleomorphic Sarcoma
09:33 | 975 | Markus Hanna (Austria): Predictors of Major Wound-Healing Disorders After Limb-Salvage Resection of Lower-Extremity Soft Tissue Sarcoma: A Retrospective Cohort Study
09:36 | 280 | Jorge Gómez-Álvarez (Spain): Validation of a Novel Set of Dosimetric Constraints in Patients with Soft Tissue Sarcomas of the Extremities and the Superficial Trunk Treated with Surgery, Perioperative HDR Brachytherapy and External Beam Irradiation
09:39 | 339 | Yuan Liu (China): Enhancing Prognostic Precision: Exploring the Role of Lung Immune Prognostic Index in Immunotherapy-Treated Soft Tissue Sarcoma Patients—A Retrospective Study
09:42 | Discussion
09:50 | 463 | Teodora Todorova (North Macedonia): Does Residual Tumor Matter? Prognostic Impact of Re-resection Following Unplanned Excision of Soft Tissue Sarcomas
09:53 | 511 | Ioannis Trikoupis (Greece): What Factors influence Survival Outcomes and Local Recurrence in Patients with Malignant Peripheral Nerve Sheath Tumors? A 34-year Single-institutional Analysis
09:56 | 561 | Kit Moran (Canada): Complications of Prophylactic Intervention for Radiation-associated Fractures after Soft Tissue Sarcoma Resection
09:59 | 699 | Mikaela Sullivan (United States): Sarcoma Resection Guided by Intraoperative Indocyanine Green Dye Fluorescence Angiography
10:02 | Discussion
10:10 | 758 | Junqiang Yin (China): Sandwich Isolation Surgery in Local Recurrence Control of Extremity Low-grade Liposarcoma: An Ambispective Cohort Study
10:13 | 825 | Jonathan Forsberg (United States): Estimating the likelihood of survival and metastasis in patients with soft tissue sarcomas using a dense convolutional neural network
10:16 | 942 | Hakan Koray Tosyali (Turkey): Prognostic Factors Affecting Survival and Functional Outcomes in Patients with Soft Tissue Sarcoma Undergoing R0 Resection
10:19 | 198 | Guido Scoccianti (Italy): Extrapleural Solitary Fibrous Tumor: A Comparison in Efficacy between Demicco and G-score Prognostic Classifications
10:21 | Discussion
Chairs: Nicola Fabbri (United States) – Saminathan Suresh Nathan (Singapore)
8:00 | 481 | Introductory lecture | Yongsung Kim (South Korea): What are the Prosthesis Survival and Modes of Failure of a Single Moduler Tumor Endoprostheses? A 15-Year Retrospective Analysis of 409 Reconstructions from East Asia
8:10 | 390 | Alex Hayden (United States): High Incidence of Re-Revision of Aseptically Revised Femoral Endoprostheses Placed for Oncologic Indications: A Competing Risk Analysis
8:13 | 589 | Dyuti Deepta Rano (India): Midterm Functional and Gait Outcomes following Proximal Femoral Bipolar Megaprosthetic Reconstruction
8:16 | 785 | Haolong Li (China): Oncological Outcomes and Endoprosthetic Survival following Surgery for Osteosarcoma around the Knee: A Retrospective Cohort Study with Failure Mode Analysis
8:19 | Discussion
8:27 | 933 | Panayiotis Gavriil (Greece): Proximal Tibial Megaprosthetic Reconstruction For Bone Tumors: 20-Year Outcomes In 39 Patients
8:30 | 972 | Markus Hanna (Austria): Improvement of Abductor Fixation Methods Affect Dislocation and Gait After Proximal Femur Replacement for Oncologic Indications – A Single-Center Cohort Study
8:33 | 988 | Panayiotis J. Papagelopoulos (Greece): Implant survival and risk factors for failure after proximal femoral replacement
8:36 | 35 | Maria Anna Smolle (Austria): Changes in incidence and survival of patients with bone and soft tissue sarcomas across Austria over 4 decades.
8:39 | Discussion
Chairs: Juan Pablo Zumárraga (Ecuador) – Krista Goulding (United States)
Educational Committee
Peter Choong (Australia)
Mark C. Gebhardt (United States)
Manish Agarwal (India)
Reynaldo Jesus-Garcia (Brazil)
Valerae O. Lewis (United States)
Case based presentation and discussion of complicated cases/complications
Chairs: Gerhard Hobusch (Austria) – Shalin Patel (United States)
Educational Committee
14:30 | Krista Goulding (United States): PROM”S: Where Are We Now
14:40 | TBA: How PROM’s Facilitate Measurement of Post-Operative Recovery
14:50 | Shea Byrne (United Kingdom): Feasibility of Markerless Motion Capture for Functional Assessment
15:00 | Alexander Penny: “Obtaining the data”: How objective functional outcomes can improve our understanding and use of PROMs
15:10 | Shalin Patel (United States): Translating and applying the data: How AI and Predictive Modeling can facilitate the real-time clinical application of PROMs
15:20 | Didactic lectures
Chairs: Muhammad Ather Siddiqi (United Kingdom) – Francisco Linares (Colombia)
Educational Committee
11:00 | Juan Pablo Zumárraga (Ecuador): How Artificial Intelligence and Mixed Reality have changed my planning and patient Education
11:15 | Muhammad Ather Siddiqi (United Kingdom): MR an invaluable tool for surgical proctorship
11:30 | Kwok Chuen Wong (China): Mixed Reality as spatial computing in orthopedic oncology (live demo)
11:45 | Manish Agarwal (India): AI for segmentation and planning for 3D printed guides
12:00 | Didactic lectures and live demo
Chairs: Ilkyu Han (South Korea) – Bernadette Liegl-Atzwanger (Austria)
09:00 | G. Douglas Letson (Unted States): Unmasking sarcomas. When do we biopsy?
09:10 | Iris Nöbauer (Austria): Gold-standard in imaging of soft tissue tumours in adults
09:20 | Jasminka Igrec (Austria): Role of perfusion-weighted MRI in assessment of treatment response
09:30 | Robert Phillips (New Zealand): Combining histology and radiology in treatment planning of sarcoma – Worth the effort?
09:40 | Frank Traub (Germany): Intraoperative fluorescence-guided surgery for treatment of sarcomas
Oral Presenations
09:50 | 289 | Xiaobo Yan (China): Imaging Features and Clinical Treatment Decisions of Osteoid Osteoma in Long Bones of the Limbs
09:53 | 404 | Kan Ito (Japan): Radiological and Clinical Outcomes of Bone Metastases Treated with Immune Checkpoint Inhibitors: A Retrospective Study
09:56 | 421 | Brandon Gettleman (United States): Age-Stratified Imaging Selection in Langerhans Cell Histiocytosis: A Clinical Decision Algorithm Balancing Diagnostic Accuracy with Cost and Radiation Exposure
09:59 | 484 | Siyi Huang (China): 3D Epiphyseal Cartilage Reconstruction Method using Cartilage CT Values for Customized Pediatric Implants
10:02 | 533 | Caleb Cummings (United States): Bone Marrow Edema Independently Predicts Dedifferentiated Chondrosarcoma among Intramedullary Chondrosarcomas of the Extremities
10:05 | 627 | Osman Emre Aycan (Turkey): Assessment of Radiological and Clinical Follow-up Strategies for Intrathoracic Osteochondromas in Hereditary Multiple Osteochondromas Patients
10:08 | 654 | Abdulrahman Bobseit (Saudi Arabia): MRI is Accurate in Planning of Bone Sarcoma Surgery. Comparison with Histopathology in 236 Cases
10:11 | 939 | Megan Badejo (United States): Prospective Validation of Intraoperative ICGA Perfusion Thresholds for Predicting Wound Complications Following Resection of Preoperatively Irradiated Soft Tissue Sarcoma
10:15 | Discussion
Chairs: Andreas Leithner (Austria) – Maria Anna Smolle (Austria)
17:30 | Claudia di Bella (Australia): Introduction (5’)
17:35 | Peter Steadman (Australia): The Future of Orthopaedic Oncology: From Margins to Meaning: A vision for the next decade of collaboration and care (25’)
17:55 | Official ISOLS Conference Photo: Please all participate!
Chairs: Xiaohui Niu (China) – Susanne Scheipl (Austria)
16:00 | Reiko Imai (Japan): The Role of Carbon Ion Radiotherapy in the Management of Bone and Soft Tissue Sarcomas
16:10 | Piero Fossati (Austria): Updates from the SACRO study
16:20 | Burkhard Lehner (Germany): Intraoperative radiotherapy for STS – Indications and limitations
DEBATE 3: The chemo wars in STS: Friend, foe or futile? (Live Voting)
16:30 | Susanne Scheipl (Austria): Case + First live voting
16:35 | Jay Wunder (Canada): The chemo wars in STS: Friend, foe or futile? – Futile!
16:42 | Dimosthenis Andreou (Germany): The chemo wars in STS: Friend, foe or futile? – Friend!
16:49 | Second live voting + Discussion
Oral Presentations
17:00 | 143 | Fabrice Scheurer (Switzerland): Tumour Necrosis after Neoadjuvant Radiotherapy in Extremity Soft Tissue Sarcoma is not Predictive of Oncological Outcome
17:05 | 489 | Vishnu Ramanujan (India): Early Outcomes of Chordomas and Chondrosarcomas Treated with Image-guided Pencil Beam Scanning Proton Beam Therapy
17:10 | 509 | Julian Dilley (United States): Beyond RECIST: Soft-Tissue Volume Reduction Correlates with Survival in Ewing Sarcoma
17:15 | 848 | Tsuyoshi Mizuma (Japan): Do Pre- to Post-radiotherapy Changes in FDG-PET SUV-max Correlate with Histological Response in Soft-Tissue Sarcoma? Subtype-Specific Analyses of UPS, MFS, and MLPS
17:20 | Discussion
Chairs: Peter Steadman (Australia) – Paul Unwin (United Kingdom)
Crossfire & Poll
14:30 | William Aston (United Kingdom): Prosthesis Standards
14:40 | Kwok Chuen Wong (China) & Patrick Qi Wang (Canada): Mixed Reality / White Paper
14:50 | Shintaro Iwata (Japan): AI / Imaging
15:00 | Manish Agarwal (India): Jigs and Navigation
Oral Presentations
15:10 | 319 | Kwok Chuen Wong (China): Mixed Reality Spatial Computing for Preoperative Surgical Planning in Orthopedic Oncology: Review of 72 Cases and Evolution of Clinical Implementation
15:13 | 371 |Andrea Sambri (Italy): Augmented Reality as a Navigation Tool in Orthopaedic Oncology Surgery
15:16 | 500 | Juan Barriga (Canada): Accuracy of Mixed-reality Registration to Patient-specific 3D-printed Bone Tumor Phantoms using Optical Tracking and 3D-printed Surface-matching Jigs
15:19 | 877 | Amit Gupta (United Kingdom): Application of 3D printed plates for Paediatric Long bone tumors – A Case series
15:22 | Discussion
Chairs: Pietro Ruggieri (Italy) – Gerhard Hobusch (Austria)
13:30 | Vienna Boys Choir
13:35 | Andreas Leithner, Philipp Funovics, Gerhard Hobusch, Maria Anna Smolle: Welcome to Vienna
13:40 | Vienna Boys Choir
14:00 | Philipp Funovics (Austria): Introduction
14:05 | Reinhard Windhager (Austria): Vienna – Moments of Music and Medicine
14:25 | Closure & Change of Rooms
Chairs: Philipp Funovics (Austria) – Minna Laitinen (Finland)
11:00 | Michelle Ghert (Canada): Should PARITY change our practice?
11:10 | Andrea Sambri (Italy): Role of two-stage revision for infected megaprostheses
11:20 | Vineet Kurisunkal (United Kingdom): The 10 most important BOOM findings on infections in oncology
DEBATE 2: Do we dare to DAIR? (Live Voting)
11:30 | Philipp Funovics (Austria): Case + First live voting
11:35 | Santiago Lozano-Calderón (United States): Do we dare to DAIR? – Yes!
11:42 | Jendrik Hardes (Germany): Do we dare to DAIR? – No!
11:49 | Second live voting + Discussion
Oral Presenations
12:00 | 64 | Marisa Valentini (Austria): Which Factors Associate with Implant Revision and Hip Disarticulation After Total Femur Replacement? A Retrospective Multicentric EMSOS Study
12:05 | 685 | Gerhard Maale (United States): NexGen Sequencing (NGS) is more Accurate than Culture and Sensitivity (CS) in PJIs
12:10 | 932 | Panayiotis Gavriil (Greece): Diagnostic Accuracy of Synovial Calprotectin in Megaprosthetic Reconstructions: A Prospective Cohort Study from a Tertiary Sarcoma Center
12:15 | 787 | Yusuf Mustaf Ahmed Ibrahim (Denmark): Infection after Endoprosthetic Reconstruction in Orthopedic Oncologic Conditions: A Multicenter Scandinavian Cohort Study
12:20 | 480 | Gerhard Maale (United States): Results of the First 700 Patients treated with a One-stage Revision for PJIs
12:25 | Discussion
Chairs: Panayiotis J. Papagelopoulos (Greece) – Thomas Schubert (Belgium)
09:00 | William Aston (United Kingdom): Should HA collars be the standard in megaprosthetic replacement?
09:10 | Koichi Ogura (Japan): Long-term complications and reoperations following distal femoral replacement
09:20 | Lizz van der Heijden (The Netherlands): Paediatric patients: cemented vs. non-cemented megaprostheses?
09:30 | Michael Parry (United Kingdom): Ultra long-term outcomes of patients with cemented megaprostheses
09:40 | Eric Staals (Italy): Long term outcomes of patients with growing prostheses
09:50 | Franics John Hornicek (United States): Which innovations do we need to lower the risk of mechanical failure?
DEBATE 1: Do we need a new ISOLS implant failure classification (Live Voting)
10:00 | Emmy Nyqvist (Sweden): Great expectations, how can we know what the future will hold?
10:07 | Eric Henderson (United States): What’s in a name? That which we call a failure…
10:14 | Discussion
Chairs: Michelle Ghert (United States) – Suraj Hindiskere (India)
8:00 | 802 | Introductory lecture | Vikas Bachhal (India): Prospective randomized trial of Closed-incision Negative Pressure Wound Therapy (ciNPWT) vs conventional dressing in endoprosthetic knee reconstrctions: Wound healing and complication outcomes
8:10 | 22 | Sadegh Saberi (Iran): Extensor Mechanism Complications in Knee Tumor Resection and Reconstruction using a Modular Endoprosthetic System: A Retrospective Analysis
8:13 | 23 | Seyyed Saeed Khabiri (Iran): Debridement, Antibiotics, and Implant Retention (DAIR) for Periprosthetic Infections in Tumor Megaprostheses: A Critical Review of Patient Selection, Outcomes and Technical protocols
8:16 | 82 | Felipe Murad (Argentina): Risk factors and management options for infections after reconstruction with massive bone allografts
8:19 | Discussion
8:27 | 387 | Sjors Van De Vusse (The Netherlands): Non-Expandable Megaprosthetic Reconstruction after Tumour Resection in Children, Adolescents and Young Adults
8:30 | 815 | Maria Antonia Gomez-Sierra (Canada): A Stem-Retaining Two-Stage Strategy for Chronic Periprosthetic Joint Infection in Oncologic Megaprosthetic Reconstruction: Long-Term Outcomes
8:33 | 728 | Claudia Di Bella (Australia): Outcomes of Proximal Femoral Replacement for Oncologic Indications in Australia
8:36 | 490 | Levent Eralp (Turkey): Infection Control and Limb Salvage with Silver-Coated Megaprostheses: A Case Series
8:39 | Discussion