Detailed Program

Wednesday | September 11, 2019

08:00-09:00

Flash Session 1:
Allograft - Vascularized bone graft / Navigation and robotics

Banquet Hall

Moderators: Valerae Lewis (United States) – Kwok-chuen Wong (China)

Allograft - Vascularized bone graft
08:00	FS1.1	Shoufeng Wang (China): Biological reconstruction with vascularized fibula for management of malignant tumors in limbs
08:03	FS1.2	Yao Weitao (China): Middle and long effect of osteoarticular allo/autograft replacement in the treatment of proximal humerus osteosarcoma
08:06	FS1.3	Bulent Erol (Turkey): Free fibula reconstruction of distal tibial osteoarticular defects after sarcoma surgery
08:09	FS1.4	Han-Soo Kim (South Korea): Clinical outcome of free vascularized fibular graft for reconstruction of large bone defect after tumor excision
08:12	FS1.5	Patricio Alfaro (Chile) Intercalary femur biological reconstruction after bone tumor resection in children
08:15	FS1.6	Lukas Pazourek (Czech Republic): The use of vascularized fibular autograft for reconstruction of bone defects after resection of bone tumors
Navigation and robotics
08:18	FS1.7	Pramod S. Chinder (India): Robotic surgery assisted En Bloc sacrectomy for primary bone tumours of the sacrum: Experience of 7cases
08:21	FS1.8	Philipp Theodor Funovics (Austria): CT-guided computer navigation-assisted surgery for musculoskeletal tumors
08:24	FS1.9	Chao Ming Chen (Taiwan): From 2D -> 3D -> 4D, how image management would transform bone tumor surgery?
08:27	FS1.10	Catrin Wigley (United Kingdom): Are uniplanar and multiplanar computer assisted resections safe in sacral tumours?
08:30	FS1.11	Junqiang Yin (China): Surgical classification for robot-assisted sacral tumor resection
08:33	FS1.12	Justin Bird (United States): Robot-assisted resection of a lumbar schwannoma and the application of a novel innovation safety algorithm
08:36	FS1.13	Sarah Bosma (Netherlands): Improved surgical accuracy for navigated pelvic and sacral primary bone sarcoma resections: A historically controlled study
08:39	FS1.14	Marcos Galli Serra (Argentina): Our experience with 3-D preoperative planning, stereolithographic models and custom-made implants in a University Hospital in a developing country
08:42		Discussion

08:00-09:00

Flash Session 2:
Basic research-Translational research / Spinal and sacral tumors

N. Skalkotas Hall

Moderators: Francis Lee (United States) - Patrick Lin (United States)

Basic research-Translational research
08:00	FS2.1	Wang Jir-You (Taiwan): The potential role of estrogen receptor alpha on osteosarcoma prognosis and assistant effects for current chemotherapy
08:03	FS2.2	Qiang Yang (China): The effect of DNA-PKcs on cisplatin resistance and metastasis in osteosarcoma cells and underlying molecular mechanisms
08:06	FS2.3	Pakpoom Ruangsomboon (Thailand): Chromosomal abnormalities in recurrent giant cell tumor of bone
08:09	FS2.4	Anna Kulidjian (United States): Enzalutamide treatment results in anti-androgen resistance in patient-derived bone metastatic prostate cancer models
08:12	FS2.5	André Mathias Baptista (Brazil): Statistical description of ankle and foot tumors, a single university institution experience
08:15	FS2.6	Xu Huaiyuan (China): Analysis of circulating free DNA in high-grade sarcoma patients for survival prediction
08:18	FS2.7	Min Wook Joo (South Korea): Novel germline variants in sporadic schwannomatosis
08:21	FS2.8	Rattasiri Namsiri (Thailand): Tissue specific microRNA mean expression in liposarcoma and lipoma
08:24	FS2.9	Shoufeng Wang (China): Inhibiting giT1 reduces the growth, invasion, and angiogenesis of osteosarcoma
Spinal and sacral tumors
08:27	FS2.10	Permsak Paholpak (Thailand): The most appropriate diameter of titanium mesh cage for reconstruction after one level total en bloc spondylectomy: A finite element analysis
08:30	FS2.11	Jianmin Li (China): Strategies of treatment and controversies for giant cell tumor of the spine
08:33	FS2.12	Alessandro Luzzati (Italy): Cervical en-block spondilectomy: planning, results and failures (19 cases)
08:36	FS2.13	Alessandro Luzzati (Italy): Children en block spondilectomies for malignant tumors: Review of 20 cases
08:39	FS2.14	Carmine Zoccali (Italy): En-bloc spondylectomy in patients older than 60 years: Ιndications, results and complications in a series of 37 patients
08:42	FS2.15	Eduardo Sadao Yonamine (Brazil): Total sacrectomy with videolaparoscopy - 15 years follow-up
08:45		Discussion

09:00-10:00	Symposium 1: Osseointegration - Bridging the gap between Limb Salvage and Amputation	Banquet Hall
	Moderators: Örjan Berlin (Sweden) - Robert R. Turcotte (Canada) Orjan Berlin (Sweden): An Introduction to the concept of Osseointegration in treatment of amputees Ian Dickey (United States): Biologic seal in osseous integration with additive manufactured porous metals Orjan Berlin (Sweden): Clinical and functional results in treatment of transfemoral amputees with osseointegrated prosthesis Rickard Branemark (Sweden): Osseointegration as a way to improve quality of life for amputees; history and future possibilities Conclusions and questions from the audience

10:00-10:30

Coffee Break - e-Posters viewing

10:30-11:30

Platform Session 1: Allograft - Vascularized bone graft

Banquet Hall

Moderators: Luis Aponte-Tinao (Argentina) - Koichiro Ihara (Japan)

10:30	IL1	Introductory Lecture Nicola Fabbri (United States): Long term outcome of telescope allograft technique for femoral and humeral reconstruction following limb preserving surgery
10:42	OP1.1	Meagan Tibbo (United States): Outcomes of free vascularized fibular grafts for the treatment of radiation-induced femoral nonunions
10:48	OP1.2	Michelle Hilda Luk (Hong Kong): Vascularised bone graft is an effective technique for extra-cortical bone bridging to combat megaprosthesis loosening at the bone-implant junction
10:54	OP1.3	Kishore Reddy (India): Biological reconstruction using vascularised fibula in long bone tumours and recalcitrant osteomyelitis for limb salvage - Characteristics and outcomes
11:00	OP1.4	Michal Mahdal (Czech Republic): Allograft reconstruction following resection of giant cell bone tumor of the distal forearm and hand
11:06	OP1.5	Stefano Bastoni (Italy): Pelvic ring reconstruction after bone tumour resection with the double-barreled vascularized fibular free flap
11:12	OP1.6	Joshua Johnson (United States): Comparison of free vascularized fibula grafting to allograft strut grafting in spinal pelvic reconstruction for sacral malignancies
11:18		Discussion

10:30-11:30

Platform Session 2: Basic research / Translational research

N. Skalkotas Hall

Moderators: John Healey (United States) - Lukas Nystrom (United States)

10:30	IL2	Introductory Lecture Brittany L. Siontis (United States): Circulating Tumor DNA: A Non-Invasive Biomarker in Sarcomas
10:42	OP2.1	Qinglian Tang (China): CDH4 is a novel determinant of osteosarcoma tumorigenesis and metastasis
10:48	OP2.2	Wang Jir-You (Taiwan): Effects of denosumab on stromal cells of giant cell tumor - The genetic change and population change of cancer stem cell
10:54	OP2.3	June Hyuk Kim (South Korea): Integrated molecular characterization of adult soft tissue sarcoma for therapeutic targets
11:00	OP2.4	Taweechok Wisanuyotin (Thailand): Finite element analysis of dual plating position for diaphyseal femoral allograft - Recycling bone fixation
11:06	OP2.5	Hongmin Chen (China): Comprehensive bioinformatic analysis of immune composition and genes for survival prediction in sarcoma
11:12	OP2.6	Burkhard Lehner (Germany): Hydrogen-peroxide reduces cell viability and induces apoptosis of giant cell tumor derived stromal cells – An in vitro model of intraoperative hydrogen-peroxide treatment
11:18		Discussion

11:30-12:30

Platform Session 3: Benign and low grade tumors

Banquet Hall

Moderators: Dundar Sabah (Turkey) - Rickard Brånemark (Sweden)

11:30	IL3	Introductory Lecture Joseph Benevenia (United States): Current treatment of benign musculoskeletal tumors
11:42	OP3.1	David Joyce (United States): Lipomatous soft tissue tumors – Are we doing too much surgery?
11:48	OP3.2	Ajay Puri (India): “Neoadjuvant” denosumab – Its role and results in operable cases of giant cell tumor of bone
11:54	OP3.3	Michael Parry (Finland): Chondroblastoma of bone in extremities-a single centre study of 177 cases
12:00	OP3.4	Murat Hiz (Turkey): Complications of curettage and cementation in low-grade chondrosarcomas
12:06	OP3.5	Hiu Woo Lau (Hong Kong): Giant cell tumor of the extremity – 10-year follow-up to determine the risk factors of local recurrence after curettage and adjuvant bisphosphonates
12:12	OP3.6	Chao Ming Chen (Taiwan): Which one is an optimal option for aggressive giant cell tumor around the knee joint? Intralesional curettage or wide excision?
12:18		Discussion

11:30-12:30

Platform Session 4: Bone sarcomas 1

N. Skalkotas Hall

Moderators : Philipp Theodor Funovics (Austria) - Jendrik Hardes (Germany)

11:30	IL4	Introductory Lecture Peter Steadman (Australia): When will the breakthrough come
11:42	OP4.1	Yao Weitao (China): Efficacy and safety of apatinib in advanced sarcoma: An open-label, non-randomized, single-center study of 45 patients
11:48	OP4.2	Hongyi Zhu (China): Comparison of different treatment options for bone sarcomas involving the distal tibia: A retrospective cohort study
11:54	OP4.3	Patrick Lin (United States): Local recurrence of Ewing sarcoma: Is wide excision acceptable treatment?
12:00	OP4.4	Weifeng Liu (China): Multicentric osteosarcoma treatment and prognostic factor analysis
12:06	OP4.5	Matthew Houdek (United States): Predictors of readmission and emergency department visits following extremity bone sarcoma resection
12:12	OP4.6	Dimosthenis Andreou (Germany): Clear cell chondrosarcoma – An European Musculoskeletal Oncology Society study on prognostic factors and patient outcome
12:18		Discussion

12:30-13:00	Presidential Lecture 1	Banquet Hall
	Chairperson: Pietro Ruggieri (Italy) George Douglas Letson (United States): Insanity: Doing the same thing over and over again, and expecting a different result

13:00-14:00

Lunch Break

14:00-15:00

Flash Session 3: Benign tumors

Banquet Hall

Moderators: Robert R. Turcotte (Canada) – Gerard Powell (Australia)

14:00	FS3.1	Hidetatsu Otani (Japan): Clinical outcomes of the patients with chondroblastoma
14:03	FS3.2	Alysia Kemp (United States): Natural history of enchondroma referrals at a comprehensive cancer center
14:06	FS3.3	Meagan Tibbo (United States): Osteoid osteomas of the hip: A well-recognized entity with a proclivity for misdiagnosis
14:09	FS3.4	Zhiye Du (China): Does curettage with hypertonic saline as adjuvant therapy provide lower recurrence rates in giant-cell tumors of extremity?
14:12	FS3.5	Suraj Hindiskere (India): Are multiple doses of Denosumab for giant cell tumours an overkill?
14:15	FS3.6	Li Min (China): First application of three-dimensional (3D) designing total hip arthroplasty (THA) with long uncemented stem for fibrous dysplasia (FD) patients combined with hip joint osteoarthritis (OA)
14:18	FS3.7	Ioannis Papanastassiou (Greece): Ganglion cysts of the proximal tibiofibular joint: A case series of 30 patients
14:21	FS3.8	Hung-kai Weng (Taiwan): Efficacy validation of freezing range and temperature conductivity of repeated cryotherapy with liquid nitrogen as adjuvant therapy for bone tumor
14:24	FS3.9	Benjamin Murphy (Australia): The clinical, radiological and pathological outcomes following treatment of GCTOB with Denosumab
14:27	FS3.10	Domenico Campanacci (Italy): Operative versus non-operative approach in aggressive fibromatosis: Preliminary data from a multicentric study
14:30	FS3.11	Claudia Deckers (Netherlands): Oncological results of cryosurgical therapy for chondroid tumors of the hand
14:33	FS3.12	Kumaran Rasappan (Singapore): The mystery of the raised CA 19-9 in a rare case of Desmoplastic Fibroblastoma in the upper limb
14:36	FS3.13	Prateek Hegde (India): Salvage vs resection in proximal femur benign aggressive lesion: Challenges in decision making
14:39	FS3.14	Burkhard Lehner (Germany): Clinical outcome and risk for recurrence of progressed giant cell tumors of the bone – Retrospective analysis of 90 cases
14:42	FS3.15	Nicola Fabbri (United States): Osteofibrous dysplasia (Campanacci’s disease): Long term follow-up study on natural history, results of treatment and relationship with adamantinoma
14:45		Discussion

14:00-15:00

Flash Session 4: Bone sarcomas - Clinical trials - Immunotherapy

N. Skalkotas Hall

Moderators: Yoshihiro Nishida (Japan) – Dimosthenis Andreou (Germany)

14:00	FS4.1	Eleonora Marini (United States): Extra-articular excision of the knee joint for locally advanced high-grade osteosarcoma of the distal femur is oncologically safe but associated with higher complication rate and inferior functional outcome than intra-articular excision
14:03	FS4.2	Murat Hiz (Turkey): The role of neoadjuvan irradition treatment in Ewing sarcoma patients
14:06	FS4.3	Nattapol Choursamran (Thailand): Outcomes and prognostic factors for chondrosarcoma patients
14:09	FS4.4	Stefano Bastoni (Italy): Iliac crest free flap reconstruction after calcanectomy in bone tumors: analysis of oncological results and functional outcome
14:12	FS4.5	Robert Nakayama (Japan): Clinical outcome of clear cell chondrosarcoma: A multicenter study from the Japanese musculoskeletal oncology group
14:15	FS4.6	Vineet Kurisunkal (India): Clear cell chondrosarcoma in Indian population – Are outcomes different?
14:18	FS4.7	Ashish Gulia (India): Oncological outcomes of surgically treated extremity and pelvic chondrosarcomas
14:21	FS4.8	Fabrice Delepine (France): Very long-term follow-up of composite prostheses after periacetabular resection
14:24	FS4.9	Reiko Imai (Japan): Carbon ion radiotherapy for axial bone sarcomas: Review of 512 cases treated according to protocols
14:27	FS4.10	Michael Parry (Finland): Female hormone plays a major role in grade 2 chondrosarcoma survival
14:30	FS4.11	Domenico Andrea Campanacci (Italy): Bone tumors of the foot: Are they candidate for limb salvage?
14:33	FS4.12	Wu Sujia (China): Outcome of patients with osteosarcoma after recurrence and analysis of factors affecting the long-term survival - A long-term follow-up study of recurrent patients by multicenter
14:36	FS4.13	Qingyu Fan (China): Microwave ablation therapy of giant cell tumors of bone
14:39	FS4.14	Sohil Patel (United Kingdom): Early outcomes following segmental bone replacement with massive segmental endoprosthesis using novel laser sintered porous collars
14:42	FS4.15	Marilyn Heng (United States): The role of chemotherapy and radiotherapy in extraskeletal osteosarcoma
14:45	FS4.16	Eugene Jang (United States): Statistical fragility of surgical and procedural clinical trials in orthopedic oncology
14:48		Discussion

15:00-16:00

Platform Session 5:
Clinical trial – Chemotherapy – Immunotherapy and Radiotherapy - IVR

Banquet Hall

Moderators: Evanthia Galanis (United States) - Reiko Imai (Japan)

15:00	IL5	Introductory Lecture Steven Robinson (United States): Oncolytic Virotherapy: An alternate immune based approach to treating soft tissue sarcomas
15:12	OP5.1	Binghao Li (China): Profiling chondrosarcomas which are potentially sensitive to immunotherapy based on multi-dimensional analyses
15:18	OP5.2	Tom Scharschmidt (United States): ARST 1321: Pazopanib neoadjuvant trial in non-rhabdomyosarcoma soft tissue sarcomas: A report of major wound complications
15:24	OP5.3	Lu Xie (China): Apatinib plus camrelizumab (SHR-1210) for unresectable high-grade osteosarcoma (APFAO) progressing after chemotherapy: A prospective, open-label, phase 2 trial
15:30	OP5.4	Pramod Chinder (India): Interstitial brachytherapy for soft tissue sarcomas: Experience of 23cases
15:36	OP5.5	Catrin Wigley (United Kingdom): The role of different radiotherapy modalities in central Ewing's sarcoma
15:42	OP5.6	Min Wook Joo (South Korea): Post-radiation sarcoma: A study by the Eastern Asian Musculoskeletal Oncology Group
15:48		Discussion

15:00-16:00

Platform Session 6: Complications in tumor surgery 1

N. Skalkotas Hall

Moderators: Harzem Özger (Turkey) – Walid Ebeid (Egypt)

15:00	IL6	Introductory Lecture Xiaohui Niu (China): Cemented full diameter Short-Stem plus late extra-medullar biological fixation for revision of lower limb mega-prosthesis aseptic loosening failure
15:12	OP6.1	Michala Skovlund Sørensen (Denmark): Use of endoprostheses for proximal femur metastases results in a rapid rehabilitation and low risk of implant failure. A prospective population-based study
15:18	OP6.2	Christoph Theil (Germany): Subsequent megaprosthetic failure in patients with sarcoma - What to expect after first revision surgery?
15:24	OP6.3	Katsuhiro Hayashi (Japan): Evaluation of osteoarthritis in grafted osteoarticular frozen autografts for reconstruction after resection of malignant bone tumor involving an epiphysis
15:30	OP6.4	Jendrik Hardes (Germany): The Mutars distal femur replacement in sarcoma patients
15:36	OP6.5	Alexandra K. Callan (United States): Thirty-day post-operative readmission, reoperation and mortality in patients with pathologic hip fractures in the setting of bone tumors
15:42	OP6.6	Jingnan Shen (China): Experience with periprosthetic infection after limb salvage surgery for patients with osteosarcoma
15:48		Discussion

16:00-16:30

Coffee Break - e-Posters viewing

16:30-17:30

Flash Session 5: Joint-sparing surgery / Limb salvage in children

Banquet Hall

Moderators: Apichat Asavamongkolkul (Thailand) - Matthew Houdek (United States)

Joint-sparing surgery
16:30	FS5.1	Michihito Miyagi (Japan): Joint-sparing surgery using a recycled tumor-bearing autograft for malignant bone tumor
16:33	FS5.2	Saminathan Suresh Nathan (Singapore): Relative knee instability on motion capture analysis suggests joint salvage provides improved functionality through biological tolerability
Limb salvage in children
16:36	FS5.3	Ajay Puri (India): Chondrosarcomas in children and adolescents – Are they different?
16:39	FS5.4	Jingnan Shen (China): Reconstruction of knee joint with semi-joint endoprosthesis in bone malignancies of adolescents
16:42	FS5.5	Andrzej Szafranski (Poland): Evaluation of indications and the perspectives of limb salvage surgery in malignant bone tumors in children
16:45	FS5.6	Tao Ji (China): Devitalized autograft and intramedullary free vascularized fibular in skeletal reconstruction for bone tumors in children
16:48	FS5.7	Haomiao Li (China): Preliminary research of combining LARS and semi-joint replacement for malignant tumor around the knee in children
16:51	FS5.8	Rodanthi Margariti (Greece): Is the expandable endoprosthesis a reliable limb-salvage option for growing children with malignant bone tumors of the lower extremity? Our experience
16:54	FS5.9	Peter Steadman (Australia): Adjusting for growth in managing long bone sarcoma's in the skeletally immature
16:57	FS5.10	Man Lung Moses Li (Hong Kong): Extracortical bone bridge formation is the key to the longevity of tumor endoprostheses for limb salvage surgery in Chinese paediatric patients with lower extremity bone sarcoma
17:00	FS5.11	William Aston (United Kingdom): Lower limb reconstruction of the growing child with the Juvenile Tumour System
17:03	FS5.12	Reynaldo Jesus-Garcia (Brazil): The results of njon vascularized fibular graft in the treatment of large segments in bone tumors
17:06	FS5.13	Bugra Alpan (Turkey): Which method to choose in skeletally immature patients with osteosarcoma around the knee?: Biological vs Nonbiological reconstructions
17:09		Discussion

16:30-17:30

Flash Session 6: Diagnostic imaging/Metastasis 1/Cancer and pain

N. Skalkotas Hall

Moderators: Winai Sirichativapee (Thailand) - Theresa Julia Christina Pazionis (United States)

Diagnostic imaging
16:30	FS6.1	Chang-Bae Kong (South Korea): Early response monitoring to neoadjuvant chemotherapy using FDG PET can predict the clinical outcome of extremity osteosarcoma
16:33	FS6.2	Min Wook Joo (South Korea): Quantitative SPECT/CT in enchondroma and grade I chondrosarcoma
16:36	FS6.3	Manit Gundavda (India): Long bone Tuberculosis masquerading as Tumor: Can we make a correct diagnosis on imaging?
Metastasis
16:39	FS6.4	Francis Lee (United States): Beyond limitations of bisphosphonates and denosumab in preventing metastatic cancer-induced bone loss and pathological fractures
16:42	FS6.5		Jonathan Forsberg (United States): External validation of PATHFx version 3.0 in patients treated surgically and non-surgically for symptomatic skeletal metastases
16:45	FS6.6		Oleg Vyrva (Ukraine): Surgical procedures for diaphyseal bone metastases
16:48	FS6.7		Sanjay Gupta (United Kingdom): A comparison of outcomes in metastatic proximal femoral fractures between an MSK-oncology centre and a non tumour-specialist university hospital
16:51	FS6.8		David Alejandro Herrera (Brazil): Multivariable analysis in pacientes with lymph node metastasis of Soft Tissue Sarcoma of limb who were treated with or without limphadenectomy: Follow up and prognostic factors
16:54	FS6.9		Jin Wang (China): Separation surgery and SBRT management for spinal metastases - SYSUCC experience
16:57	FS6.10		Anand Raja (India): Risk factors for development of bone metastasis from renal cell carcinoma
17:00	FS6.11		Meredith K. Bartelstein (United States): Survival after surgery for skeletal metastases is associated with preoperative patient-reported assessments
17:03	FS6.12		Zeping Yu (China): Surgical options and outcomes for pelvic bone metastasis
Cancer and pain
17:06	FS6.13		Suraj Hindiskere (India): Post-operative delirium in patients undergoing surgery for bone metastases
17:09			Discussion

17:30-18:30

Platform Session 7: Prosthetic reconstruction 1

Banquet Hall

Moderators: Ajay Puri (India) - Daniel Kotrych (Poland)

17:30	IL7	Introductory Lecture Domenico Andrea Campanacci (Italy): The evolution of prostheses: from modular to custom
17:42	OP7.1	Matthew Houdek (United States): Comparison of reconstructive techniques following oncologic intraarticular resection of proximal humerus
17:48	OP7.2	Benjamin Wilke (United States): Proximal femoral allograft prosthetic composites; Do they really restore bone? A retrospective review of revision allograft prosthetic composites
17:54	OP7.3	Thomas Hilton (South Africa): Total talar replacements: A South African series
18:00	OP7.4	Santiago Lozano-Calderon (United States): Press Fit vs. Cemented femoral stems in arthroplasty for oncologic indications
18:06	OP7.5	Li Min (China): First application of three-dimensional (3D) design custom-made uncemented prosthetic stem for distal femoral cemented megaprosthesis revision
18:12	OP7.6	Pongsiri Piakong (Thailand): Aseptic loosening (Type II Failure) in Cemented distal femoral endoprosthesis and radiologic clues to long-term survivorship of the implant
18:18		Discussion

17:30-18:30

Platform Session 8: Functional results and quality of life 1

N. Skalkotas Hall

Moderators: Reynaldo Jesus Garcia (Brazil) - Christos Zambakides (Greece)

17:30	IL8	Introductory Lecture Valerae Lewis (United States): Function and quality of life outcomes in sarcoma patients following internal hemipelvectomy without reconstruction
17:42	OP8.1	Yifei Wang (United States): Assessment of patient experiences following total en bloc sacrectomy for primary malignant sacral tumors: A qualitative study
17:48	OP8.2	Gerhard Hobusch (Austria): Modular-Replacement-Sports Survey (MoReSport)
17:54	OP8.3	Oluwaseyi K. Idowu (United Kingdom): Functional outcome after tumour resection and total femoral replacement: A systematic review
18:00	OP8.4	Krista Goulding (United States): The Sarcoma-Specific Quality of Life Study (SARC-QoL): Identifying key domains of Health-Related Quality of Life in adult patients with extremity soft tissue sarcoma
18:06	OP8.5	Juan Pablo Zumarraga (Ecuador): Functional outcomes in patients that had the distal ulna resected due to bone tumors
18:12	OP8.6	Manish Agarwal (India): Using the neighbor: Trans-locating the ulna to reconstruct distal radius defects. Technical tweaks for better outcomes
18:18		Discussion

18:30-19:30	Round Table 1: Limb salvages in children	Banquet Hall
	Moderators: Konstantinos Malizos (Greece) - Han-Soo Kim (Korea) Rodolfo Capanna (Italy): Biological Reconstruction in pelvis and lower extremities in children Ajay Puri (India): Biological reconstruction of the shoulder and upper extremity in children Vasileios Kontogeorgakos (Greece): Endoprosthetic reconstruction around the knee in children Robert R. Turcotte (Canada): Limb salvage versus amputation in children and adolescents-When amputation is the best choice?

19:30-20:30	Opening Ceremony	Banquet Hall
	Opening Lectures Chairperson: Panayiotis J. Papagelopoulos (Greece) Rainer I. Kotz (Austria): The History of ISOLS Dimitri V. Nanopoulos (Greece): The first 10^-30s

20:30

Welcome Reception

Thursday | September 12, 2019

08:00-09:00

Flash Session 7:
Complications in tumor surgery / Functional results and quality of life

Banquet Hall

Moderators: G. Ulrich Exner (Switzerland) - Gerhard Hobusch (Austria)

Complications in tumor surgery
08:00	FS7.1	Masoud Mirkazemi (Iran): Comparison of bipolar hemiarthroplasty and total hip arthroplasty. Inallograft-prosthesis composite reconstruction for proximal femur tumors
08:03	FS7.2	Chindanai Hongsaprabhas (Thailand): Does prosthetic reconstruction have better survival than biologic in limb sparing tumor surgery?
08:06	FS7.3	Alexandra Callan (United States): Thirty-day outcomes following pediatric bone and soft tissue sarcoma surgery: An analysis of the NSQIP–Pediatrics database
08:09	FS7.4	Domenico Andrea Campanacci (Italy): Fracture after radiationtherapy in soft tissue sarcomas
08:12	FS7.5	Joseph Ippolito (United States): Results of vena cava filter in preventing peri-operative pulmonary embolus in musculoskeletal tumor patients
08:15	FS7.6	Werner Hettwer (Denmark): Occlusive wound closure prevents prolonged wound discharge in patients undergoing tumor resection and endoprosthetic reconstruction of the proximal femur - A randomized controlled trial
Functional results and quality of life
08:18	FS7.7	Sudhir Kumar Garg (India): Functional outcomes of endoprosthetic reconstruction after resection of primary bone tumours around knee
08:21	FS7.8	Weifeng Liu (China): What are the results of limb salvage surgery for primary bone sarcoma of the forearm?
08:24	FS7.9	Andrea Angelini (Italy): Treatment of limb-lenght discrepancy and deformities related to Ollier’s disease: a systematic review of literature
08:27	FS7.10	Gilber Kask (Finland): How is functional outcome measured in lower extremity soft tissue sarcoma patients? A systematic literature review
08:30	FS7.11	Krista Goulding (United States): The Sarcoma-Specific Quality of Life Study (SARC-QoL): Psychological functioning and coping styles in adult extremity soft tissue sarcoma
08:33	FS7.12	Samuel Akhnoukh (United States): Patient-reported SF-36 scores improve accuracy of the surgeon’s estimate of survival for patients operated on for metastatic bone disease
08:36	FS7.13	Piya Kiatisevi (Thailand): Functional outcomes, quality of life and complications of Pasteurized Autograft Prosthetic Composite (PAPC) compared to endoprosthesis for reconstruction around the knee
08:39	FS7.14	Vivek Ajit Singh (Malaysia): Patellar positioning post EPR around the knee and its effect on function
08:42		Discussion

08:00-09:00

Flash Session 8: Molecular-targeted therapy | Various

N. Skalkotas Hall

Moderators: Brittany Siontis (United States) – B Hudson Berrey (United States)

Molecular-targeted therapy
08:00	FS8.1	Pramod Chinder (India): GCT and Denosumab – The story continues…
08:03	FS8.2	Jay S. Wunder (Canada): Osteosarcoma and soft-tissue sarcomas with an immune infiltrate express PD-L1, a potential target for immunotherapy
08:06	FS8.3	Lu Xie (China): Anorexia, hypertension, pneumothorax, and hypothyroidism: Potential biomarkers of improved clinical outcome following apatinib in advanced osteosarcoma
Various
08:09	FS8.4	Vivek Ajit Singh (Malaysia): The effect of intra-operative text messages in reducing anxiety levels among family members of patients undergoing major musculoskeletal tumour surgery
08:12	FS8.5	Akiyoshi Shimatani (Japan): An investigation of multiple primary cancers in patients with bone and soft tissue malignancies
08:15	FS8.6	Akiyoshi Shimatani (Japan): An investigation on temperature of soft tissue tumor
08:18	FS8.7	Jean-camille Mattei (France): Bone metastases in sarcoma: is there any place for curative surgery?
08:21	FS8.8	Thomas Aloysius KW Wong (Singapore): Rotationplasties in adults: Indications, outcomes, pearls and pitfalls
08:24	FS8.9	Roshan Banjara (India): Functional outcome of reconstruction with nail-cement spacer for malignant and aggressive tumors of proximal humerus
08:27	FS8.10	Benjamin Miller (United States): Update on the American Academy of Orthopaedic Surgeons Musculoskeletal Tumor Registry
08:30	FS8.11	John Healey (United States): Overcoming the challenges encountered in a randomized surgical trial. Lessons from a randomized trial to treat pathologic pertrochanteric fractures
08:33	FS8.12	Abdulrahman Alaseem (Canada): Practice and perceptions of orthopaedic oncologists toward Denosumab therapy for giant cell tumor of the bone: Cross-sectional survey
08:36	FS8.13	Ahmed Abdelaal (Egypt): Skeletal involvement in children with langerhans cell histiocytosis. Healing, complication and functional outcome
08:39		Discussion

09:00-10:00	Crossfire Session 1: Primary Prosthetic Reconstruction: Coated vs Non-Coated Endoprosthesis	Banquet Hall
	Moderator: William Aston (United Kingdom) Jendrik Hardes (Germany): Coated implants vs Lee M. Jeys (United Kingdom): Non-Coated implants

10:00-10:30

Coffee Break - e-Posters viewing

10:30-11:30

Platform Session 9: Benign tumors

Banquet Hall

Moderators: Ying-Lee Albert Lam (Hong Kong) – Andreas Mavrogenis (Greece)

10:30	IL9	Introductory Lecture Martin Thaler (Austria): Revision vs Amputation of megaendoprotheses after sarcoma resection
10:42	OP9.1	Yuan Li (China): Ostectomy followed by dynamic hip screw (DHS) with polymethylmethacrylate (PMMA) augmentation for shepherd’s crook deformity in fibrous dysplasia: The outcome of 39 patients with long-term follow-up
10:48	OP9.2	Akihiko Takeuchi (Japan): Factor analysis associated with local recurrence and limb function of 105 patients with diffuse-type tenosynovial giant cell tumor: A multinational study of an Asian population
10:54	OP9.3	Hisaki Aiba (Japan): Endoscopic curettage for benign bone tumors
11:00	OP9.4	Michele Boffano (Italy): Can an artificial bone graft give support without osteosynthesis? A preliminary study on mechanical realiability and bone regeneration
11:06	OP9.5	Giovanni Ciani (Italy): Curettage for giant cell tumor of bone is suited to a practice of surgery for early-career orthopaedic oncologists
11:12	OP9.6	O. Savvidou (Greece): Giant cell tumor of the distal ulna
11:18		Discussion

10:30-11:30

Platform Session 10: Bone sarcomas 2

N. Skalkotas Hall

Moderators: Toshiharu Shirai (Japan) – Daniel Prince (United States)

10:30	IL10	Introductory Lecture Ashish Gulia (India): Staging work up in chondrosarcoma: Is bone scan warranted for the metastatic workup of chondrosarcoma?
10:42	OP10.1	Anand Raja (India): Prognostic significance of vascular tumor emboli in non-metastatic osteosarcoma
10:48	OP10.2	Raimondo Piana (Italy): Chondrosarcoma of the bone over 70 years old from a single institution: Same pathology but different treatment?
10:54	OP10.3	Fan Tang (China): Myofibroblastic sarcoma of bone: Clinical outcome highlights the challenge of diagnosis and treatment
11:00	OP10.4	Sarah Bosma (Netherlands): Individual risk evaluation for local recurrence and distant metastasis in Ewing sarcoma: Α multistate model
11:06	OP10.5	Bulent Erol (Turkey): Tumor cell seeding in the biopsy tract and its clinical significance in osteosarcomas
11:12	OP10.6	Xianbiao Xie (China): Comparison of clinical features, management and outcomes of osteosarcoma located in proximal fibula and proximal tibia: A propensity score matching analysis
11:18		Discussion

10:30-13:30

ISOLS BOARD MEETING

MC3.2 Hall

11:30-12:30

Platform Session 11: Complications in tumor surgery 2

Banquet Hall

Moderators: Marcio Moura (Brazil) – Giovanni Beltrami (Italy)

11:30	IL11	Introductory Lecture Peter F.M. Choong (Australia): Complications - Anticipation is the greater part of pleasure
11:42	OP11.1	Tiao Lin (China): Managements in wound complications after wide resection of patients with sacral tumors
11:48	OP11.2	B Hudson Berrey (United States): Laser assisted Indocyanine Green (ICG) cutaneous angiography to assess flap viability following extremity sarcoma resection
11:54	OP11.3	Qiang Yang (China): Risk factors for surgical site infection in malignant musculoskeletal tumors
12:00	OP11.4	Michelle Ghert (Canada): The Prophylactic Antibiotic Regimens in Tumor Surgery (PARITY) International Randomized Controlled Trial: Completion of enrollment and preparation for publication
12:10		Discussion

11:30-12:30

Platform Session 12: Functional results and quality of life 2 | Amputation and rehabilitation

N. Skalkotas Hall

Moderators: Patricia Bonilla Huertas (Panama) - Brian Brigman (United States)

11:30	IL12	Introductory Lecture Andreas Mavrogenis (Greece): Complications, function and quality of life of limb salvage and amputation for tumors
11:42	OP12.1	Vishnu Ramanujan (India): Functional results of arthroplasty vs arthrodesis reconstruction after distal radius resections
11:48	OP12.2	Ting Yuan (China): Reconstruction of proximal humeral defects after wide resection of tumors—A preliminary study of three reconstructive procedures
11:54	OP12.3	Hans Roland Dürr (Germany): Amputation for extremity sarcoma: Indications and outcomes
12:00	OP12.4	Yitian Wang (China): The functional outcomes and complications after en bloc excision for giant cell tumor of the distal radius: Comparison of osteoarticular allograft and three-dimensional-printed prosthesis
12:06	OP12.5	William Lu (Australia): Single-stage osseointegrated reconstruction and rehabilitation of lower limb amputees
12:12		Discussion

12:45-13:15

Luncheon Seminar
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(Sponsored by industrial company)

Banquet Hall

13:30-14:00	Presidential Lecture 2	Banquet Hall
	Chairperson: Francis Hornicek (United States) Pietro Ruggieri (Italy): Education and mentorship in musculoskeletal oncology

14:00-14:30	Lecture 1	Banquet Hall
	Chairperson: George Douglas Letson (United States) Bradley Erickson (United States): Artificial intelligence in Medical Imaging

14:30-15:30

Platform Session 13: Innovative treatments

Banquet Hall

Moderators: Xiaohui Niu (China) - Luke Johnson (Australia)

14:30	IL13	Introductory Lecture Carlos E. Cuervo Lozano (Mexico): Osteogenesis induced by a threedimensional bioimplant composed of demineralised bone matrix, collagen, hidroxiapatite and bone marrow derived cells in massive bone defects tissue and cell
14:42	OP13.1	Lee Zuckerman (United States): Immediate, all internal distraction osteogenesis and bone transport after tumor resection
14:48	OP13.2	Qingyu Fan (China): Knee joint preservation surgery using microwave ablation technology
14:54	OP13.3	Manit Gundavda (India): Does extracorporeal radiation recycled autograft offer a good option for osteo-articular reconstruction in proximal ulna tumors?
15:00	OP13.4	Yitian Wang (China): The West China Hospital femur classification: A retrospective analysis of 237 patients for fibrous dysplasia of the femur
15:06	OP13.5	Solomon Dadia (Israel): Innovative platform for 3D surgical planning and execution of bone tumor resections and complex osteotomies – 140 case studies review
15:12	OP13.6	Brian Brigman (United States): Development of fluorescent assisted margin assessment for sarcoma
15:18		Discussion

14:30-15:30

Platform Session 14: Joint-sparing surgery

N. Skalkotas Hall

Moderators: Saminathan Suresh Nathan (Singapore) – Eduardo Botello (Chile)

14:30	IL14	Introductory Lecture Apichat Asavamongkolkul (Thailand): The Advances of Limb-sparing Surgery in musculoskeletal oncology
14:42	OP14.1	Suraj Hindiskere (India): 3D printed cutting jigs for malignant bone tumour resections
14:48	OP14.2	Markus Nottrott (Germany): Intra-articular soft-tissue sarcoma of the knee — Extra-articular resection and tumor endoprosthetic reconstruction or primary amputation? A retrospective report on eight cases
14:54	OP14.3	Bart Kowalczyk (Poland): Combined massive allograft and vascularized fibula reconstructions for limb-sparing and joint preservation surgery in lower extremity bone sarcomas in children
15:00	OP14.4	Joseph Benevenia (United States): Tumor reconstruction with intercalary endoprostheses: Complication analysis
15:06	OP14.5	Lee Jeys (United Kingdom): Acetabular reconstruction using a pedestal acetabular endoprosthesis for pelvic malignancies; The Royal Orthopaedic Hospital experience
15:12	OP14.6	Costantino Errani (Italy): Current role for A1 Rotationplasty (A1R) in distal femur sarcomas
15:18		Discussion

14:30-15:30

Platform Session 15: Pelvic tumors 1

MC2 Hall

Moderators: Vivek Ajit Singh (Malaysia) – Jose Casanova (Portugal)

14:30	IL15	Introductory Lecture Wei Guo (China): Evolution of prosthetic reconstruction in pelvis
14:42	OP15.1	Bo Wang (China): Reconstruction with a novel combined hemipelvic endoprosthesis after resection of periacetabular tumors involving the sacroiliac joint: A report of 25 consecutive cases
14:48	OP15.2	Nor Faissal Yasin (Malaysia): Pedicle screw-rod reconstruction for type 1 pelvic resection: Intermediate outcome
14:54	OP15.3	Jungo Imanishi (Japan): Modified Harrington procedure for peri-acetabular bone tumors utilizing interventional radiology and bone grafting: A case series
15:00	OP15.4	Tao Ji (China): 3D printed modular hemipelvic endoprosthetic reconstruction following periacetabular tumor resection - Preliminary results from 140 consecutive cases
15:06	OP15.5	Juha Kiiski (Finland): Clinical results and quality of life after reconstruction following sacrectomy for primary bone malignancy
15:12	OP15.6	Hairong Xu (China): “Homolateral Femur Rotation-Lengthening with Allograft Transplantation Technique” as a biological reconstruction option for huge defects after pelvic tumor resection: Long-term outcomes of 9 consecutive cases
15:18		Discussion

15:30-16:30

ISOLS GENERAL ASSEMBLY

16:30-17:00

Coffee Break - e-Posters viewing

17:00-18:00

Platform Session 16: Limb salvage in children

Banquet Hall

Moderators: Rodolfo Capanna (Italy) – Andrzej Szafranski (Poland)

17:00	IL16	Introductory Lecture Harzem Özger (Turkey): Complications of limb salvage surgery in children
17:12	OP16.1	Giovanni Beltrami (Italy): Vascularized fibula graft after bone tumor resection in pediatric age: Old or new technique?
17:18	OP16.2	Tao Ji (China): Limb salvage using non-hinged endoprosthesis and staged distraction osteogenesis for children with distal femoral malignant tumors
17:24	OP16.3	Amirhossein Misaghi (United States): Allograft reconstruction alone has an increased rate of amputation and worse functional outcome when compared with vascularized fibular reconstruction in tibial reconstruction in pediatric patients
17:30	OP16.4	Masood Umer (Pakistan): Internal hemipelvectomy in pediatric patients, a tertiary care hospital experience
17:36	OP16.5	Lee Jeys (United Kingdom): Proximal femoral endoprosthetic replacements in the skeletally immature
17:42		Discussion

17:00-18:00

Platform Session 17: Metastasis 1

N. Skalkotas Hall

Moderators: Keith Hosking (South Africa) - Huseyin Yusuf Yildiz (Turkey)

17:00	IL17	Introductory Lecture Francis Lee (United States): Minimally Invasive Percutaneous Ablation-Osteoplasty-Reinforcement-Internal Fixation (AORIF) for osteolytic metastatic lesions: Rationale and technical considerations for a new paradigm
17:12	OP17.1	Michala Skovlund Sørensen (Denmark): Plasma YKL-40 and IL-6 are prognostic for survival after surgery for metastatic bone disease of the extremities
17:18	OP17.2	Alysia Kemp (United States): Acrometastasis: Is lung carcinoma still the most common primary lesion?
17:24	OP17.3	Hirotaka Yonezawa (Japan): Usefulness of CT axial imaging in the early diagnosis of femoral metastatic bone tumors
17:30	OP17.4	Aayush Aryal (India): Comparative study between Tc99M skeletal scintigraphy, PET/CT scan and whole body MRI for detecting skeletal metastasis in patients with osteosarcoma and Ewing's sarcoma
17:36	OP17.5	Joshua Johnson (United States): Comparison of porous tantalum acetabular implants versus harrington reconstruction for metastatic disease of the acetabulum
17:42	OP17.6	Ukei Anazawa (Japan): Minimally invasive transpedicular intra-lesional tumor resection for the management of metastatic lumber spinal tumor
17:48	OP17.7	Jonathan Forsberg (United States): An analysis of the International Bone Metastasis Registry Data
17:54		Discussion

17:00-18:00

Platform Session 18: Various

MC2 Hall

Moderators: Jun Nishida (Japan) – Claudia Di Bella (Australia)

17:00	IL18	Introductory Lecture Luis Aponte-Tinao (Argentina): Computer-assisted surgery in orthopaedic oncology. Indications, problems and results in 210 patients
17:12	OP18.1	Vivek Ajit Singh (Malaysia): Effective nutritional status screening in orthopaedic oncology patients and postoperative complications
17:18	OP18.2	Krista Goulding (Canada): Investigating the risk of malignant transformation of benign giant cell tumor of bone in patients treated with and without Denosumab therapy
17:24	OP18.3	Daniel Kotrych (Poland): Biomechanical aspects of anatomical pelvic reconstructions by means of 3D printing technology on the basis of 30 sarcoma patients with 5 year follow up— is ”fast track” possible?
17:30	OP18.4	Daniel Kotrych (Poland): Oncological implants and periprosthetic bone loss - can we successfully cope with the problem?
17:36	OP18.5	Abdulrahman Alaseem (Canada): Occupational injuries among orthopaedic oncology surgeons
17:42	OP18.6	Woo Young Jang (South Korea): Safety of a restrictive allogeneic blood transfusion strategy in patients with extremity sarcomas
17:48		Discussion

18:00-190:00	Crossfire Session 2: Cemented vs Uncemented Megaprosthesis	Banquet Hall
	Moderator: Toshifumi Ozaki (Japan) Nicola Fabbri (United States): Cemented Megaprosthesis vs Francis Hornicek (United States): Uncemented Megaprosthesis

Friday | September 13, 2019

08:00-09:00

Flash Session 9: Disasters in limb salvage / Pelvic tumors

Banquet Hall

Moderators: Andrea Angelini (Italy) – Ka Lok Mak (Hong Kong)

Disasters in limb salvage
08:00	FS9.1	Daniel Eduardo Prince (United States): Safety of distraction osteogenesis in osseous neoplasms: A review of 38 patients undergoing distraction osteogenesis for reconstruction of large osseous neoplastic defects
08:03	FS9.2	Manish Agarwal (India): Fighting megaprosthetic infections: What are the chances of winning?
Pelvic tumors
08:06	FS9.3	Bulent Erol (Turkey): LUMIC endoprosthetic reconstruction after periacetabular tumor resection: Mid-term results
08:09	FS9.4	Yi Luo (China): Short-term outcome of hemipelvic reconstruction for periacetabular tumor: comparison of three-dimensional (3D) printed prosthesis and modular prosthesis
08:12	FS9.5	Juha Kiiski (Finland): Soft tissue reconstruction after pelvic amputation: The efficacy and reliability of free fillet flap reconstruction
08:15	FS9.6	Koichiro Ihara (Japan): Restoration of hip joint using vascularized and recycled hybrid bone graft after resection of acetabular bone tumor
08:18	FS9.7	Matthew Houdek (United States): Can the ACS-NSQIP surgical risk calculator predict post-operative complications in patients undergoing sacral tumor resection?
08:21	FS9.8	Jie Zang (China): Are there any differences between primary and secondary chondrosarcoma of the pelvis in terms of clinical characteristics and oncologic outcome?
08:24	FS9.9	Haijie Liang (China): Radiological classification and predisposing factors of venous tumor thrombus in pelvic osteosarcoma: A mono-institutional retrospective study of 123 treatment-naïve cases
08:27	FS9.10	Joseph Benevenia (United States): Periacetabular resection at a single institution: Do outcomes differ by method of reconstruction?
08:30	FS9.11	Tomohiro Fujiwara (United States): What factors determine the success of limb-salvage surgery in patients with pelvic sarcomas involving the acetabulum?
08:33	FS9.12	Stefano Bastoni (Italy): Lumic endoprosthetic reconstruction for periacetabular defect after surgery for bone tumour
08:36	FS9.13	Abdul Majeed (India): Leaving half the acetabulum in pelvic resections improves hip function - Is there a need to revise pelvic resections?
08:39	FS9.14	Nicola Fabbri (United States): Computed tomography-assisted navigation for resection of iliosacral bone sarcomas: What is the evidence?
08:42	FS9.15	Evgeny Sushentsov (Russian Federation): Surgical treatment of pelvic bone tumors using 3D-printed implants. Experience of single institution
08:45		Discussion

08:00-09:00

Flash Session 10: Prosthetic reconstruction 1

N. Skalkotas Hall

Moderators: Andreas Leithner (Austria) – Francisco Linares (Colombia)

08:00	FS10.1	Yidan Zhang (China): Reconstruction of large segemental bone defect with 3D-printed custom-made tumor prosthesis
08:03	FS10.2	Adam Tagliero (United States): Use of a proximal humeral cap prosthesis for shoulder reconstruction following a tikhoff-linberg resection
08:06	FS10.3	Zhaoming Ye (China): Functional outcomes of the reconstruction of the proximal humerus by reverse shoulder arthroplasty after tumour resection
08:09	FS10.4	Keith Hosking (South Africa): Modular distal tibial endoprosthetic replacement in reconstruction of the distal tibia in bone tumours – The Cape Town experience
08:12	FS10.5	Scott Sommerville (Australia): Constrained versus unconstrained shoulder arthroplasty in humeral resections reconstructed with megaprostheses
08:15	FS10.6	Neil Campbell (South Africa): Additive manufacturing in limb salvage: An engineering perspective
08:18	FS10.7	John Healey (United States): Custom stem-sideplate preserves at-risk hip joint during endoprosthetic reconstruction of the femur
08:21	FS10.8	Oluwaseyi K. Idowu (United Kingdom): Functional outcome after tumour resection and total humeral replacement: A systematic review
08:24	FS10.9	Kevin Staats (Austria): Long-term survival analysis of cemented vs. cementless distal femur replacement reveals different outcomes between oncological and non-oncological patients
08:27	FS10.10	Benjamin Davies (United Kingdom): Hydroxyapatite coated collars on cemented massive endoprosthesis show poor osteointegration when used in revision surgery
08:30	FS10.11	Richard Boyle (Australia): Using pre-operative planning technology for custom pelvic implants
08:33	FS10.12	Gwen Sys (Belgium): Can the CPS fixation system avoid aseptic loosening of reconstruction prostheses?
08:36	FS10.13	Prashant Narhari (Malaysia): Proximal femur endoprosthesis as salvage in elderly with failed hip fracture surgery
08:39	FS10.14	Mustafa Onur Karaca (Turkey): Two stage revision for prosthesis infection in patients with bone tumor treated with megaprosthesis
08:42	FS10.15	João Freitas (Portugal): Total reconstruction of the patellar tendon using Trevira® tube
08:45	FS10.16	Mehmet Ayvaz (Turkey): Constrained reverse shoulder arthroplasty for the treatment of proximal humerus tumors
08:48		Discussion

09:00-10:00	Crossfire Session 3: Spinopelvic Tumors: Limb Salvage vs Amputation	Banquet Hall
	Moderator: Panayiotis J. Papagelopoulos (Greece) Wei Guo (China): Limb Salvage vs Peter Rose (United States): Amputation

10:00-10:30

Coffee Break - e-Posters viewing

10:30-11:30

Platform Session 19: Metastasis 2

Banquet Hall

Moderators: Costantino Errani (Italy) – Olga Savvidou (Greece)

10:30	IL19	Introductory Lecture Amir Sternheim (Israel): When do patients with bone metastases actually break their femur? A CT-based finite element analysis of patients who fractured
10:42	OP19.1	Jonathan Forsberg (United States): What have we learned from the PATHFx validation studies? An analysis of 2,559 patients with metastatic bone disease
10:48	OP19.2	Pietro Ruggieri (Italy): Current approach in metastatic disease: Indications and results in 89 cases
10:54	OP19.3	Lee Jeys (United Kingdom): Which indeterminate pulmonary nodules represent lung metastases in primary bone sarcoma?
11:00	OP19.4	Zeping Yu (China): Surgical management of metastatic lesions of the proximal femur with pathological fractures using intramedullary nailing or endoprosthetic replacement
11:06	OP19.5	Raimondo Piana (Italy): Photodynamic bone stabilization system for metastatic lesions of the upper limb: Palliative surgery or adjuvant treatment?
11:12	OP19.6	Johnathan Forsberg (United States): Validation of the open-source PATHFx v2.0 tool for survival estimation of patients with skeletal metastases using two external patient populations
11:18	OP19.7	Joseph Ippolito (United States): Treatment of metastatic disease at the appendicular skeleton: Does surgical decision making impact long-term survival or complication rates?
11:24		Discussion

10:30-11:30

Platform Session 20: Pelvic tumors 2

N. Skalkotas Hall

Moderators: Davide Maria Donati (Italy) – Marko Bergovec (Austria)

10:30	IL20	Introductory Lecture Mary O’Connor (United States): Pelvic resection and reconstruction: Achievements and challenges
10:42	OP20.1	Joseph Ippolito (United States): Reconstruction methods following pelvic resection: Meta-analysis
10:48	OP20.2	Peter Rose (United States): Outcomes of sacral tumor resection based on the Mayo Clinic Classification System
10:54	OP20.3	Rui Yang (United States): A novel tripod percutaneous reconstruction technique in peri-acetabulum lesion caused by metastatic cancer
11:00	OP20.4	Oleg Vyrva (Ukraine): Single institution review of concept strategy for pelvic resections in tumor patients
11:06	OP20.5	Gilber Kask (Finland): Clinical and functional results of Harrington’s procedure on the management of periacetabular malignant lesions, in 89 patients
11:12	OP20.6	David Biau (France): Extra-articular resection of the hip for bone tumors: a retrospective study of 33 patients with comparison between pelvis and proximal femoral tumors
11:18		Discussion

11:30-12:30

Platform Session 21: Soft-tissue sarcomas 1

Banquet Hall

Moderators: Mark Scarborough (United States) – Robert Nakayama (Japan)

11:30	IL21	Introductory Lecture Philipp Theodor Funovics (Austria): Soft Tissue Sarcoma: update on diagnosis and treatment
11:42	OP21.1	Hans Roland Dürr (Germany): Leiomyosarcomas of the musculoskeletal system. Therapy and prognosis
11:48	OP21.2	Yongzhong Wei (China): Evaluation of prognostic factors for liposarcoma
11:54	OP21.3	Anna Maria Smolle (Austria): Individualising soft tissue sarcoma aftercare with flexible parametric survival modelling
12:00	OP21.4	Elizabeth Wellings (United States): Leiomyosarcomas: Recurrence rates based on tumor depth and treatment modality
12:06	OP21.5	Yasuo Yazawa (Japan): Axial soft tissue sarcoma– Current clinical status in a single institution
12:12	OP21.6	Fábio Elói Pinto (Brazil): Evaluation of mutations in codons 41 and 45 of the beta-catenin encoding gene in patients with sporadic desmoid tumors and their association with prognosis
12:18		Discussion

11:30-12:30

Platform Session 22: Diagnostic imaging

N. Skalkotas Hall

Moderators: Achilleas Chatziioannou (Greece) – Doris Wenger (United States)

11:30	IL22	Introductory Lecture Sofia Chatziioannou (Greece): The role of PET scan for diagnosis and evaluation of treatment
11:42	OP22.1	Tadashi Iwai (Japan): Diagnostic value of tumor-fascia relationship in superficial soft tissue masses on magnetic resonance imaging
11:48	OP22.2	Hiroshi Koike (Japan): The importance of apparent diffusion coefficient map for differentiation of benign from malignant peripheral nerve sheath tumors
11:54	OP22.3	Imkyeong Jo (Australia): The value of Thallium-201 scintigraphy and Tc-99m pentavalent dimercaptosuccinic acid in diagnosing and grading chondrosarcoma
12:00	OP22.4	Suraj Hindiskere (India): Combined role of diffusion weighted imaging (DWI) and 18F-FDG PET/CT in predicting histologic response to neoadjuvant chemotherapy in osteosarcoma
12:06	OP22.5	Lukas Nystrom (United States): The diagnostic performance of PET/CT in patients with skeletal metastases of unknown primary
12:12	OP22.6	Sarah Bosma (Netherlands): 18F-FDG PET-CT versus MRI for detection of skeletal metastasis in Ewing sarcoma
12:18	OP22.7	Reynaldo Jesus-Garcia (Brazil): The role of PET-CT in the differential diagnosis of intraosseous cartilaginous tumors
12:24	OP22.8	Srinath Doddarangappa (India): F 18 - FDG PET CT in evaluation of response and recurrence in osseous GCT - Our experience in 90 cases

12:45-13:45

Luncheon Symposium
Click here for more information
(Sponsored by industrial company)

Banquet Hall

14:00-15:00

Platform Session 23: Recycled bone graft / Local tumor ablation

Banquet Hall

Moderators: Oleg Vyrva (Ukraine) – Norio Yamamoto (Japan)

14:00	IL23	Introductory Lecture Hiroyuki Tsuchiya (Japan): The history of recycled bone graft
14:12	OP23.1	Praveen Gupta (India): Recycled bone with ECRT, an effective alternate for limb salvage
14:18	OP23.2	Pokuei Wu (Taiwan): Comparative proteomic profiling and identification of significant markers from high-grade osteosarcoma after cryoablation and irradiation
14:24	OP23.3	Norathip Noppharit (Thailand): Gait analysis after limb salvage procedures using recycling autograft versus endoprosthesis
14:30	OP23.4	Diego Sanches (Brazil): Outcomes of bone tumors treated with recycling bone liquid nitrogen around the knee – 12 years follow-up
14:36	OP23.5	Hung-Kai Weng (Taiwan): Adjuvant local tumor ablation with freezing nitrogen ethanol composite: A short-term follow-up
14:42	OP23.6	Gwen Sys (Belgium): Does gap size affect the healing rate and healing time in limb salvage using intercalary recycled autografts?
14:48	OP23.7	Abraham Saad (Philippines): The use of recycling autograft in the operative treatment of malignant primary bone tumors: A systematic review of outcomes and complications
14:54		Discussion

14:00-15:00

Platform Session 24: Microsurgical reconstruction

N. Skalkotas Hall

Moderators: Ekaterini Vlastou (Greece) – Santiago Lozano-Calderon (United States)

14:00	IL24	Introductory Lecture Spyros Stavrianos (Greece): Tissue transfer for sarcomas resection
14:12	OP24.1	Charalambos (Babis) Rammos (United States): The keystone multiperforator flap concept and its application to soft tissue reconstruction of the upper and lower extremity after melanoma and sarcoma resection
14:18	OP24.2	Jean-camille Mattei (France): Outcomes of vascular reconstructions following sarcoma excision
14:24	OP24.3	Keiichi Muramatsu (Japan): Functional reconstruction of the extremity with transfer of neuro-vascularized muscle following sarcoma resection
14:30	OP24.4	Eldon Mah (Australia): Choice of recipient vessels in free flap reconstruction of irradiated lower limb sarcoma defects
14:36	OP24.5	David Biau (France): The vastus lateralis flap to cover soft-tissue defects after resection of the proximal femur
14:42	OP24.6	Thekla Antoniadou (Greece): Unplanned excisions of soft tissue sarcomas and flap reconstruction
14:48		Discussion

15:00-16:00

Flash Session 11: Innovative treatments / Pathology

Banquet Hall

Moderators: Yasuo Yazawa (Japan) – Robert Randall (United States)

Innovative treatments
15:00	FS11.1	Pauline Del Rosario (Philippines): Transarticular solid nailing with centralization of the fibula following distal leg sarcoma resection - The SIGN reconstruction technique
15:03	FS11.2	Andrzej Szafranski (Poland): Limb salvage treatment in a child with Ewing's sarcoma of the left humerus - True or scientific fiction
15:06	FS11.3	Giovanni Beltrami (Italy): Custom made 3D printed implants in orthopedic oncology: Problem solving or new problem?
15:09	FS11.4	Pramod S. Chinder (India): Novel surgical technique - Vascularized epiphyseal proximal fibular transfer in a 2year old with Ewings sarcoma of proximal tibia
15:12	FS11.5	Hairong Xu (China): Humerus-Radis arthroplasty for reconstruction of bone defect after proximal ulnar tumor resection: A novel limb-salvage surgical technique
15:15	FS11.6	Sherly Desnita Savio (Indonesia): Efficacy of minimally invasive surgery on giant cell tumor of the bone: A systematic review
15:18	FS11.7	Susan Bukata (United States): Serial aspirations & intra-articular antibiotic injections in chronic oncologic and non-oncologic PJI: Introducing the concept of biofilm training
15:21	FS11.8	Frank Traub (Germany): Interim report of a minimal invasive intramedullary stabilization system for metastatic humerus lesions
15:24	FS11.9	Junqiang Yin (China): Sandwich isolation surgery prevents local recurrence in progressive desmoid tumors: A pilot observational study
15:27	FS11.10	Walid Ebeid (Egypt): The use of the Wagner technique for prophylactic fixation of the proximal femur in children with large cysts in the femoral neck
15:30	FS11.11	Jia Kang Shen (China): Non-arthrodesis reconstruction for distal tibial osteosarcoma
15:33	FS11.12	Edgard E Engel (Brazil): Characterisation of a PMMA based porous bone cement
15:36	FS11.13	Philip Sanders (Netherlands): Early results of the European Carbon-PEEK Implant Registry
Pathology
15:39	FS11.14	Umesh Yadav (India): Histopathological transformation after zolendrate in giant cell tumors - A comparative study
15:42	FS11.15	Anand Raja (India): Extremity solitary fibrous tumor: Clinicopathologic, immunohistochemical and molecular analysis
15:45		Discussion

15:00-16:00

Flash Session 12: Recycled bone graft - Local tumor ablation | Soft-tissue reconstruction | Surgical margin - CTx evaluation

N. Skalkotas Hall

Moderators: Joseph Benevenia (United States) – Jay S. Wunder (Canada)

Recycled bone graft / Local tumor ablation
15:00	FS12.1	Akihiko Takeuchi (Japan): Mid- to long-term clinical outcome of tumor-devitalized frozen autografts for segmental defect of long bones after tumor excision
15:03	FS12.2	Pokuei Wu (Taiwan): Pedicle Freezing by “Freezing Tank” for biological reconstruction of limb sarcoma
15:06	FS12.3	Pokuei Wu (Taiwan): Intraoperative extracorporeal irradiation and frozen treatment on tumor-bearing autografts show equivalent outcomes for biologic reconstruction
15:09	FS12.4	Srimanth Bindiganavile (India): Biological reconstrcution by extracorporeal irradiation and reimplantation after scapulectomy for Ewing's Sarcoma: Report of 2 cases
Soft-tissue reconstruction
15:12	FS12.5	Yu-Min Lin (Taiwan): Planned soft tissue reconstruction after bone and soft tissue sarcoma surgery decreased the postoperative complications
15:15	FS12.6	Meagan Tibbo (United States): Outcomes of soft tissue reconstruction after intraoperative radiotherapy for the treatment of extremity soft tissue sarcomas
15:18	FS12.7	Lukas Nystrom (United States): Immediate versus staged soft tissue reconstruction after soft tissue sarcoma resections have similar wound and oncologic outcomes
15:21	FS12.8	Chandra Kumar Krishnan (India): Use of micro vascular free flaps for reconstruction of defects following extremity sarcoma excision: A series of 27 cases
15:24	FS12.9	Eldon Mah (Australia): Free flap functional reconstruction post posterior thigh compartmentectomy
Surgical margin / CTx evaluation
15:27	FS12.10	Yoshihiro Nishida (Japan): Function preserving, R1 surgery for selected patients with desmoid-type fibromatosis
15:30	FS12.11	Jagandeep Virk (India): Primary fibular sarcomas: Do they behave differently?
15:33	FS12.12	Srinath Gupta (India): Are intra-articular resections for proximal femur sarcomas with intra-articular disease safe?
15:36	FS12.13	Hong Duan (China): Improved virtual surgical planning with 3D-multimodality image for malignant giant pelvic tumors
15:39		Discussion

16:00-16:30

Coffee Break - e-Posters viewing

16:30-17:30	Crossfire Session 4: Low Grade CS: Curettage or Wide resection?	Banquet Hall
	Moderator: Adesegun Abudu (United Kingdom) Dundar Sabah (Turkey): Wide resection vs Saminathan Suresh Nathan (Singapore): Curettage

17:30-18:30	Special Session 1: ISOLS & I	Banquet Hall
	Moderators: Mary O’Connor (United States) – Hiroyuki Tsuchiya (Japan) - Peter Choong (Australia) Franklin H. Sim (United States): Lessons learned in musculoskeletal oncology over five decades: Ten pearls! Atsumasa Uchida (Japan): Current advance in Japanese orthopedic oncology Ian Dickinson (Australia): What ISOLS means to me

18:30-18:45	Special Session 2: ISOLS FELLOWS	Banquet Hall
	Moderators: Panayiotis J. Papagelopoulos (Greece) – Pietro Ruggieri (Italy) Giulia Trovarelli (Italy): ISOLS fellowship 2016-2017: visit to MOFFITT Cancer Center and visit to UCLA Orthopaedic Center Min Wook Joo (Korea): Beyond Katsuhiro Hayashi (Japan): ISOLS Trainee Fellowships 2018-2019 in Athens, Padova and Vienna

20:30

ISOLS Dinner

Saturday | September 14, 2019

08:00-09:00

Flash Session 13: Amputation and rehabilitation / Prosthetic reconstruction 2

Banquet Hall

Moderators: Örjan Berlin (Sweden) - Vasillios Sakellariou (Greece)

Amputation and rehabilitation
08:00	FS13.1	Jonathan Forsberg (United States): Early outcomes of osseointegrated implants in transhumeral and transfemoral amputations
08:03	FS13.2	Andreas Leithner (Austria): Sarcomas at the ankle region: amputation vs. limb salvage
08:06	FS13.3	Juan Pablo Zumarraga (Ecuador): Use of prostheses in lower limb amputees due to tumor influences their survival rate?
08:09	FS13.4	Tom Scharschmidt (United States): Targeted Muscle Reinnervation: A strategy to prevent neuroma and phantom limb pain in oncologic amputees
08:12	FS13.5	Christian Gray Stephens (United Kingdom): Hindquarter amputation: A necessary operation for pelvic tumours with associated morbidity and mortality
08:15	FS13.6	B Hudson Berrey (United States): Patella femoral arthrodesis amputation - The patella turn-down-plasty
08:18	FS13.7	William Lu (Australia): Osseointegration for amputations: Current implants, techniques, and future developments
08:21	FS13.8	William Lu (Australia): Safety of osseointegrated implants for transtibial amputees: A two-center prospective proof-of-concept study
Prosthetic reconstruction 2
08:24	FS13.09	Minxun Lu (China): Mechanical analysis of curved uncemented femoral stems after distal femoral reconstruction: A finite element study
08:27	FS13.10	Mehmet Ayvaz (Turkey): Preliminary results of a new intercalary modular endoprosthesis for the management of diaphyseal bone tumors
08:30	FS13.11	André Olivier (South Africa): Short to medium results of custom 3d printed pelvic implants
08:33	FS13.12	Lee Jeys (United Kingdom): Short term benefits of passively eluting Agluna silver are not proven in the medium term for preventing infection in EPRs
08:36		Discussion

08:00-09:00

Flash Session 14: Soft-tissue sarcomas

N. Skalkotas Hall

Moderators: Ian Dickinson (Australia) – Anna Kulidjian (United States)

08:00	FS14.1	Hans Roland Dürr (Germany): Extremity sarcoma resections: How far is far enough?
08:03	FS14.2	Ana C. Belzarena (United States): Sarcoma unplanned excisions: A root cause analysis
08:06	FS14.3	Annelies Van Beeck (Belgium): Clinical outcome of surgical treated leiomyosarcoma in the lower limbs: A retrospective BeNe study
08:09	FS14.4	Do Weon Lee (South Korea): Actual long-term survival after resection of AJCC stage III extremity soft tissue sarcoma
08:12	FS14.5	Alexandra Brown (Australia): Soft tissue sarcomas treated with pre-operative radiation and surgical resection: Better surgical margins can be obtained if resection is followed by flap reconstruction
08:15	FS14.6	Eiji Nakata (Japan): Treatment results of localized dedifferentiated liposarcoma in the extremities
08:18	FS14.7	Akihiko Takeuchi (Japan): Intraoperative ultrasonography-guided surgery for impalpable and ill-defined malignant soft tissue tumor
08:21	FS14.8	Francisco Baixauli (Spain): Surgical resection of massive liposarcomas at the extremities: A 15-year experience in a single referral musculoskeletal sarcoma unit
08:24	FS14.9	Xing Cheng Daniel Yin (Singapore): Soft Tissue Sarcomas. Do we need radiotherapy? A retrospective review
08:27	FS14.10	Srila Samphao (Thailand): Extremity soft tissue sarcomas: Survival outcomes and clinical characteristics
08:30	FS14.11	Yusuke Shinoda (Japan): Prognostic factors and treatment strategy for metastatic myxoid liposarcoma
08:33	FS14.12	Federico Sacchetti (Turkey): Synovial sarcoma: Experience from Florence and Izmir Sarcoma Centers
08:36	FS14.13	Ibrahim Alshaygy (Canada): Outcome after surgical treatment of Dermatofibrosarcoma Protuberans (DFSP): Does it requires all this follow up? How much resection margin is enough?
08:39	FS14.14	Bruna Buscharino (Brazil): Soft Tissue Sarcomas: Experience from 2006 to 2016
08:42	FS14.15	Jay S. Wunder (Canada): Lymph node metastasis from extremity soft tissue sarcomas
08:45	FS14.16	Michael Parry (United Kingdom): Low grade fibromyxoid sarcoma: Demographics, prognosis and behavioural patterns
08:48	FS14.17	Michael Parry (United Kingdom): Extra skeletal myxoid chondrosarcoma: Demographics, prognosis and behavioural patterns
08:51		Discussion

09:00-15:30	ISOLS YOUNG SURGEONS TRAINING WORKSHOP ON LIMB SALVAGE SURGERY Maximum participation: 60 persons • Workshop Fee: 100 Euro	MC2 Hall
	For the detailed program clik here

09:00-10:00	Crossfire Session 5: Diaphyseal resections: Endoprosthessis or Allograft?	Banquet Hall
	Moderator: Domenico Andrea Campanacci (Italy) Luis Aponte-Tinao (Argentina): Allograft vs Daniel Kotrych (Poland): Endoprosthessis

10:00-11:00

Platform Session 25: Prosthetic reconstruction 2

Banquet Hall

Moderators: Arne Streitbürger (Germany) – Justin Bird (United States)

10:00	IL25	Introductory Lecture Davide Maria Donati (Italy): 3D printing 4.0 in Orthopaedic Oncology
10:12	OP25.1	Richard Boyle (Netherlands): The use of custom-made 3D printed titanium implants for pelvic reconstruction after tumour resection; A case series of 15 patients
10:18	OP25.2	Chongqi Tu (China): Three-dimensional printed customized endoprosthesis for periacetabular malignancies: short term outcome
10:24	OP25.3	Solomon Dadia (Israel): 3D Printed Semi-biological cage reconstruction for segmental bone defect after tumor resection shows promising results – 3 years follow-up
10:30	OP25.4	Christos Vottis(Greece):Functional outcomes and complications of prosthetic reconstruction of the proximal humerus after tumor resection
10:36		Discussion

10:00-11:00

Platform Session 26: Soft-tissue sarcomas 2

N. Skalkotas Hall

Moderators: Eduardo Sabao Yonamine (Brazil) – Bruna Buscharino (Brazil)

10:00	IL26	Introductory Lecture Jay S. Wunder (Canada): Controversies in soft tissue sarcoma
10:12	OP26.1	Domenico Andrea Campanacci (Italy): Re-excision after unplanned excision of soft tissue sarcomas: Long-term results
10:18	OP26.2	Kamil Amer (United States): A dual database appraisal of liposarcoma and its subtypes
10:24	OP26.3	Daniel A. Müller (Switzerland): Prognostic factors in lipomatous tumors: Do we have to take lipoma-like tumors seriously?
10:30	OP26.4	Srinath Gupta (India): Extraskeletal Ewings Sarcoma (EES) - Oncological outcomes
10:36	OP26.5	David Joyce (United States): Higher rate of wound complications associated with sarcoma unplanned excisions
10:42	OP26.6	Andac Celasun Alsina (Turkey): Neo adjuvant theraphy effectiveness on local recurrence of soft tissue sarcomas
10:48		Discussion

11:00-11:30

Coffee Break

11:30-12:30	Symposium 2: Women in Orthopedic Oncology	Banquet Hall
	Moderators: Franklin Sim (United States) – Olga Savvidou (Greece) Anna Kulidjian (United States): Of mice and men Valerae Lewis (United States): Mentors are great, sponsors are outstanding! Mary O’ Connor (United States): Are women better surgeons: Pride and prejudice revisited Seth Leopold (United States): The #MeToo movement and mentorship of women in in Orthopaedic Surgery

12:30-13:30	Round Table 2: Giant Cell Tumor of the Bone	Banquet Hall
	Moderators: Nicola Fabbri (United States) - Harzem Özger (Turkey) Adesegun Abudu (United Kingdom): Current indications for denosumab in Giant Cell Tumors Carrie Inwards & Doris Wenger (United States): Histology and imaging of Giant Cell Tumors Costantino Errani (Italy): New problems with denosumab in Giant Cell Tumor treatment

12:30-13:30	Round Table 3: Interventional Orthopedic Oncology	N. Skalkotas Hall
	Moderators: Bennie Gerhard Petris Lindeque (United States) - Roberto Vélez (Spain) Alexis Kelekis (Greece): Minimally invasive techniques in orthopedic Oncology Mary Jesse (United States): RF ablation for musculoskeletal tumors Elias Brountzos (Greece): Selective angiography and embolization for bone tumor

13:30-14:30

Platform Session 27: Prosthetic reconstruction 3

Banquet Hall

Moderators: Peter Steadman (Australia) – Hirotaka Kawano (Japan)

13:30	IL27	Introductory Lecture Jesus-Garcia Reynaldo (Brazil): Are we observing a decrease in the number of Complications in Tumor Prosthesis?
13:42	OP27.1	Walid Ebeid (Egypt): Do we need to resurface the patella with endoprosthesis reconstruction?
13:48	OP27.2	Paul Stalley (Australia): Design considerations of 3D printed custom pelvic implants
13:54	OP27.3	Ioannis Papanastassiou (Greece): Scapular prosthesis and constrained reverse shoulder arthroplasty provide superior results than Tikhoff Linberg procedure
14:00	OP27.4	Carmine Zoccali (Italy): 3D-printed titanium custom-made prostheses in reconstruction after resection of pelvic tumors: results at medium follow-up
14:06	OP27.5	João Freitas (Portugal): Limb salvage surgery in tumoral and non-tumoral prothetic complications
14:12	OP27.6	Luis Bahamonde (Chile): Distally fixed, press-fit stems instead of megaprosthesis for bone and joint reconstruction
14:18		Discussion

13:30-14:30

Platform Session 28: Spinal and sacral tumors

N. Skalkotas Hall

Moderators: Franklin Sim (United States) - Toshiyuki Kunisada (Japan)

13:30	IL28	Introductory Lecture Alessandro Luzzati (Italy): Multisegmental primary tumors of the thoracolumbar spine: 52 Patients treated with multilevel en bloc spondylectomy and reconstruction
13:42	OP28.1	Chiao Yee Lim (Malaysia): Outcome evaluation of therapeutic benefits of denosumab on sacral giant cell tumors treated with nerve-sparing surgery: A retrospective cohort study of 68 patients
13:48	OP28.2	Wei Guo (China): Reconstruction of spinopelvic stability with a 3D-printed sacral endoprosthesis after total en bloc sacrectomy
13:54	OP28.3	Xiaodong Tang (China): Preliminary results of modular vertebral prosthesis with 3D-printed end plate for anterior column reconstruction after multilevel thoracolumbar en-bloc spondylectomy
14:00	OP28.4	Haomiao Li (China): A key procedure during en bloc resection of the tumors at the mobile spine--the “Rotation-reversion” technique for the “Vertebro-sagittal resection”
14:06	OP28.5	Haomiao Li (China): Bleeding and infection: Two disturbing questions in surgical treatment of sacral tumors
14:12	OP28.6	Eduardo Sadao Yonamine (Brazil): Total sacrectomy without reconstruction
14:18	OP28.7	Solomon Dadia (Israel): 3D printing technology enhancing Insitu-Cryoablation – A unique procedure for inoperable sacral Giant Cell Tumor (GCT) – Case report
14:24		Discussion

14:30-15:30	Society Lectures	Banquet Hall
	Moderators: Amir Sternheim (Israel) - Akihiko Takeuchi (Japan) Hiroyuki Tsuchiya (Japan): ISOLS Lecture - Biological reconstruction: Now and future Ramses Forsyth (Belgium): EMSOS, a unique meeting pot of diverse sarcoma specialists: What's in it for you? Robert Randall (United States): MSTS Lecture - The clinical and societal burden of metastatic carcinoma to bone Akira Kawai (Japan): CTOS Lecture - The objective and current activities of CTOS

15:30-16:30	Special Session 3: How to Get Your Data Published	Banquet Hall
	Moderator: Panayiotis J. Papagelopoulos (Greece) John H. Healey (United States): Why should I write it? Why should you read it? Seth Leopold (United States): Writing for Peer Review – The “Question – driven Manuscript”

16:30-17:00

Closing Remarks

Wednesday | September 11, 2019

Thursday | September 12, 2019

Friday | September 13, 2019

Saturday | September 14, 2019

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