Musculoskeletal Oncology
A 17-year-old male presents with a distal femoral osteosarcoma. MRI shows a 10cm intramedullary lesion with cortical breakthrough but no skip lesions. Following neoadjuvant chemotherapy, restaging shows greater than 90% necrosis. The surgical oncology team is planning limb salvage surgery. Regarding oncological surgical margins:
Mark each as TRUE or FALSE
The Enneking/Musculoskeletal Tumor Society margin classification includes intralesional (within tumo...
A margin of 2cm of normal bone is generally recommended for osteosarcoma resection based on studies ...
Intralesional margins are acceptable for high-grade sarcomas if adjuvant radiation is used; the reac...
Soft tissue margins must include cuffs of normal tissue around the tumor pseudocapsule; prior biopsy...
Neurovascular structures can be preserved if preoperative imaging shows a clear plane of separation;...
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Click T (True) or F (False) for each option