Orthopedic & Reconstructive Surgery

(P 457) LONG-TERM FOLLOW-UP OF PATIENTS WITH ATYPICAL LIPOMATOUS TUMOR (ALT) TREATED WITH MARGINAL RESECTION IN A REFERRAL CENTER

(P 458) FREQUENCY IN CHANGE OF GRADING UPON LOCAL RECURRENCE OR DISTANT METASTASIS OF SOFT TISSUE SARCOMAS.

(P 460) IMPACT OF RESIDUAL TUMOR AFTER RE-EXCISION IN PATIENTS WITH PRIOR UNPLANNED RESECTION OF EXTREMITY AND TRUNK SOFT TISSUE SARCOMAS

(P 461) OUTCOMES FOR OLIGOMETASTATIC PULMONARY DISEASE RECURRENCE TREATED WITH SURGERY ALONE FOR PATIENTS WITH SOFT TISSUE SARCOMAS A CASE SERIES

(P 462) EXTERNAL VALIDATION OF A NOMOGRAM PREDICTING THE RISK OF POSTOPERATIVE MAJOR WOUND COMPLICATION IN SOFT TISSUE SARCOMA FOLLOWING PREOPERATIVE RADIOTHERAPY AND RESECTION

(P 463) MACHINE LEARNING CORROBORATES TRADITIONAL REGRESSION TECHNIQUES IN PREDICTING MAJOR WOUND COMPLICATIONS AFTER SOFT TISSUE SARCOMA RESECTION WITHOUT IMPROVEMENTS IN PREDICTIVE PERFORMANCE

(P 464) INDOCYANINE GREEN FLUORESCENCE IMAGING MAY DETECT TUMOUR RESIDUALS DURING SURGERY FOR BONE AND SOFT-TISSUE TUMOURS

(P 465) UNPLANNED EXCISION OF SYNOVIAL SARCOMA: FACTORS ASSOCIATED WITH RECURRENCE AND SURVIVAL

(P 466) INTRAOPERATIVE EVALUATION OF BONE AND SOFT TISSUE SARCOMA SURGICAL MARGINS WITH INDOCYANINE GREEN FLUORESCENCE IMAGING

(P 467) DOES PERIOPERATIVE RADIATION AFFECT IMPLANT SURVIVORSHIP OF PRIMARY TOTAL HIP ARTHROPLASTY IN THE SETTING OF METASTATIC BONE DISEASE: A MULTICENTER STUDY

(P 468) OPIATE USE AFTER TOTAL HIP ARTHROPLASTY FOR METASTATIC BONE DISEASE

(P 469) IMPACT OF A SPECIALIZED OUTPATIENT CLINIC ON BONE MRTASTASIS AND ITS BURDEN ON SPINE SURGEONS

(P 470) PROGNOSTIC SIGNIFICANCE OF HISTOLOGICAL SUBTYPE IN SOFT TISSUE SARCOMA WITH DISTANT METASTASIS

(P 471) IMPACT OF PRIMARY TUMOR RESECTION ON METASTASIS TO THE LUNG IN PATIENTS WITH BONE AND SOFT-TISSUE SARCOMA

(P 472) ICONIC (IMPROVING OUTCOMES THROUGH COLLABORATION IN OSTEOSARCOMA). AN EARLY LOOK AT SURGICAL DATA

(P 473) GROIN PAINS: APPROACHES AND OUTCOMES FOR INGUINOFEMORAL SOFT TISSUE SARCOMAS

(P 474) PREDICTORS OF EARLY INTROWTH AND FAILURE FOLLOWING SHORT COMPRESS SPINDLE OSSEOINTEGRATION FIXATION AT THE LOWER EXTREMITIES

(P 475) PRE-PLATING PRIOR TO INTERCALARY TUMOR RESECTION AND ALLOGRAFT RECONSTRUCTION: LESSONS LEARNED

(P 476) FAVORABLE RESULTS FOLLOWING TREATMENT OF UNICAMERAL BONE CYSTS WITH DOXYCYCLINE SCLEROGRAFT TECHNIQUE

(P 477) TREATMENT OF PROXIMAL FEMUR UNICAMERAL BONE CYSTS WITH DOXYCYCLINE SCLEROTHERAPY

(P 478) TREATMENT OF CHONDROBLASTOMA WITH PERCUTANEOUS CRYOABLATION

(P 479) EXPANDABLE ENDOPROSTHESES: SHOULD WE CONSIDER NARROWING OUR INDICATIONS? A SYSTEMATIC REVIEW OF THE LITERATURE AND COMPARISON OF OUTCOMES BY AGE GROUPS

(P 480) TARGETED MUSCLE REINNERVATION FOR HIP DISARTICULATION - EVALUATION OF EARLY FUNCTIONAL OUTCOMES

(P 481) CUSTOM ADAPTERS FOR COMPRESS SPINDLE OSSEOINTEGRATION FIXATION IN REVISION LIMB SALVAGE SURGERY OF THE DISTAL FEMUR: A CASE SERIES

(P 482) COMPARISON OF RECONSTRUCTIVE TECHNIQUES FOR METASTATIC DISEASE IN THE PROXIMAL HUMERUS

(P 483) DID THE COVID-19 PANDEMIC NEGATIVELY AFFECT OUTCOMES FOR PATIENTS WITH EXTREMITY SOFT TISSUE SARCOMAS?

(P 484) OBESITY INCREASES THE RISK OF MAJOR WOUND COMPLICATIONS FOLLOWING PELVIC RESECTION FOR BONE SARCOMA

(P 485) SUBTROCHANTERIC NON-UNION AFTER INTRAMEDULLARY NAILING DUE TO PATHOLOGICAL FRACTURE:PROXIMAL FEMORAL REPLACEMENT AS A SALVAGE APPROACH

(P 486) PRIMARY HIGH-GRADE SARCOMA OF THE SPINE: EXPERIENCE WITH 11 CASES

(P 487) EN BLOC RESECTION FOR SPINAL TUMORS: A SINGLE CENTER EXPERIENCE OF 113 CONSECUTIVE CASES

(P 488) POSTOPERATIVE DRAINAGE MANAGEMENT AND WOUND COMPLICATIONS FOLLOWING RESECTION OF LOWER LIMB SOFT TISSUE TUMORS

(P 489) SIMULTANEOUS VERSUS DELAYED FLAP RECONSTRUCTION FOLLOWING SOFT TISSUE SARCOMA RESECTION

(P 490) TOPICAL ANTIBIOTICS DECREASE INFECTIONS IN EXTREMITY SARCOMA SURGERY

(P 491) COMPARISON OF FIXATION TECHNIQUES FOR METASTATIC DISEASE OF THE HUMERUS

(P 492) BALANCE AND GAIT OUTCOMES AFTER 1-YEAR POST-OPERATIVE HEMIPELVECTOMY SURGERY

(P 493) GAIT KINEMATICS OF SARCOMA PATIENTS AT 1 YEAR POST-OPERATIVE INTERNAL HEMIPELVECTOMY SURGERY: A RETROSPECTIVE STUDY.

(P 494) WHAT IS THE EXPERIENCE OF THOSE WITH CANCER-RELATED REDUCED QUALITY OF LIFE AND ASSOCIATED PHYSICAL DISABILITIES AFTER UPPER LIMB SARCOMA TREATMENT IN ENGLAND? A NATIONAL STUDY OF OUTCOMES.

(P 495) UNDERSTANDING THE EXPERIENCES OF PATIENTS RETURNING TO ACTIVITIES OF DAILY LIVING AND EXERCISE FOLLOWING LIMB SPARING SURGERY FOR BONE OR SOFT TISSUE SARCOMA AROUND THE KNEE.

(P 496) WHAT ARE THE EXPERIENCES OF BALANCE, GAIT AND NEURO-MUSCULAR CONTROL OUTCOMES AFTER PROXIMAL FEMORAL REPLACEMENTS FOR MUSCULOSKELETAL TUMOURS?

(P 497) STANMORE TUMOUR OUTCOMES PROJECT (STOMP)- USING INTERNATIONAL CLASSIFICATION OF FUNCTIONING, DISABILITY AND HEALTH (ICF) OUTCOMES IN SARCOMA SURVIVORS. and UNDERSTANDING THE EXPERIENCES OF PATIENTS RETURNING TO DAILY ACTIVITES AND EXERCISE FOLLOWING LIMB SPARING SURGERY FOR BONE OR SOFT TISSUE SARCOMA AROUND THE KNEE

(P 498) DEDIFFERENTIATED LIPOSARCOMA OF THE EXTREMITIES: CHARACTERISTICS AND OUTCOME

(P 499) CLINICAL OUTCOMES OF TOTAL FEMORAL REPLACEMENT FOR ONCOLOGICAL INDICATIONS

(P 500) IMPROVING OUTCOMES OF INTERCALARY EWING SARCOMA RESECTIONS AND ALLOGRAFT RECONSTRUCTIONS WITH PATIENT-SPECIFIC CUTTING GUIDES AND VIRTUAL SURGICAL PLANNING

(P 501) TIBIAL DEFORMITIES AND PHYSEAL INJURY WITH DISTAL FEMORAL EXPANDABLE ENDOPROSTHESIS IMPLANTS

(P 502) SEPARATE RESECTION OF BIOPSY TRACT IN PRIMARY BONE SARCOMA: IMPLICATIONS FOR LOCAL RECURRENCE AND OVERALL SURVIVAL

(P 503) SCAPULAR PROSTHESIS RECONSTRUCTION, EXPERIENCE IN OUR INSTITUTION

(P 504) WHY DO SOME PATIENTS WITH SYNOVIAL SARCOMA HAVE BETTER FUNCTIONAL OUTCOMES AFTER RESECTION SURGERY? ANALYSIS OF 102 CASES

(P 505) LOCAL RECURRENCE IN MALIGNANT PERIPHERAL NERVE SHEATH TUMORS: A MULTICENTER COHORT STUDY

(P 506) THE EFFECT OF TIMING BETWEEN PRE-OPERATIVE EMBOLIZATION AND SURGERY: A RETROSPECTIVE ANALYSIS OF HYPERVASCULAR BONE METASTASES

(P 507) PRIMARY CHEST WALL TUMORS OF MESENCHYMAL ORIGIN. EXPERIENCE OF A REFERENCE UNIT

(P 508) DREAM, UTOPIA OR REALISM? PROGNOSTIC FACTORS IN LUNG METASTASECTOMY OF DISSEMINATED SARCOMA DISEASE

(P 509) GIANT CELL TUMOR OF BONE IN THE PEDIATRIC POPULATION: A RETROSPECTIVE STUDY HIGHLIGHTING CASES OF METAPHYSEAL ONLY LOCATION AND INCREASED LOCAL RECURRENCE RATES IN SKELETALLY IMMATURE PATIENTS

(P 510) PRIMARY BREAST ANGIOSARCOMA: CLINICAL AND PATHOLOGICAL FEATURES AND IMPACT ON OUTCOMES

(P 511) SIGNIFICANCE OF TIP TO APEX DISTANCE IN PATHOLOGICAL AND IMPENDING PATHOLOGICAL FRACTURES OF THE PROXIMAL FEMUR

(P 512) PERIOPERATIVE BLOOD MANAGEMENT IN PEDIATRIC PATIENTS UNDERGOING PRIMARY OSTEOSARCOMA AND EWING SARCOMA RESECTION: A RETROSPECTIVE CASE NOTE REVIEW

(P 513) THE IMPACT OF MARGIN STATUS ON THE ONCOLOGIC OUTCOMES OF SURGICALLY TREATED DEDIFFERENTIATED LIPOSARCOMA OF THE EXTREMITIES

(P 514) INTERSTITIAL BRACHYTHERAPY IN THE TREATMENT OF SOFT TISSUE SARCOMA: LOCAL RECURRENCE AND WOUND OUTCOMES

(P 515) ENDOBRONCHIAL NAVIGATION AS AN INTRAOPERATORY TOOL FOR RESECTION OF SMALL PULMONARY METASTASES IN SARCOMA PATIENTS

(P 516) OUCOMES OF AGGRESSIVE RESECTION OF RADIATION INDUCED ANGIOSARCOMA OF THE BREAST

(P 517) PULMONARY METASTASECTOMY FOR SARCOMA: A SINGLE-INSTITUTION EXPERIENCE

(P 518) OUTCOMES OF NON-ANGIOSARCOMA RADIATION-ASSOCIATED SOFT TISSUE SARCOMAS OF THE CHEST

(P 519) WHAT ARE THE EXPERIENCES OF GAIT, ACTIVITY LEVELS AND PHYSICAL FUNCTIONING IN PROXIMAL FEMORAL REPLACEMENT AFTER MUSCULOSKELETAL TUMORS?

(P 520) ORTHOPEDIC MANIFESTATIONS OF LYMPHOPROLIFERATIVE NEOPLASMS

(P 521) HOW TO MANAGE ABDOMINAL PARIETECTOMY, REVIEW OF EXPERIENCE IN INSTITUT BERGONIE

(P 522) FLUORESCENCE GUIDED SURGERY WITH INDOCYANINE GREEN FOR SURGICAL RESECTION OF METASTATIC BONE AND SOFT TISSUE TUMOURS: A CASE SERIES

(P 523) IN-BETWEEN SARCOMA: A CATEGORY OF HIGH RISK OF RECURRENCE AND POOR OUTCOME

(P 524) PRESENTATION AND OUTCOMES OF EXTRASKELETAL CHONDROSARCOMAS TREATED WITH SURGICAL RESECTION

(P 525) ALL INTERNAL DISTRACTION OSTEOGENESIS AFTER TUMOR RESECTION

(P 526) EVALUATION OF THE SURGICAL MANAGEMENT OF THE SKELETON IN PATIENTS WITH OLLIER'S DISEASE AND MAFUCCI SYNDROME

(P 527) SALVAGE OF AN OSTEOARRTICULAR ALLOGRAFT RADIUS RECONSTRUCTION SINGLE BONE TRANSPOSITION WITH WRIST ARTHRODESIS FOLLOWING OSTEOSARCOMA EXCISION