Primary Bone Malignancy
A 58-year-old man presents with a 2-year history of dull aching pain in his pelvis. Radiographs show a large lytic lesion in the ilium with internal chondroid matrix calcification ("rings and arcs"). MRI demonstrates a 12 cm mass with cortical destruction and a soft tissue component. Biopsy confirms chondrosarcoma Grade II. Regarding chondrosarcoma:
Mark each as TRUE or FALSE
Chondrosarcoma is the second most common primary bone malignancy (20%) after osteosarcoma; it occurs...
Chondrosarcoma is notoriously resistant to chemotherapy and radiotherapy; wide surgical resection wi...
Distinguishing low-grade chondrosarcoma from enchondroma is straightforward with routine histology; ...
Clinical and imaging features suggesting malignancy include pain (especially night pain or rest pain...
Dedifferentiated chondrosarcoma is a biphasic tumor with low-grade cartilaginous component adjacent ...
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Click T (True) or F (False) for each option