A 60-year-old male presents with swelling and pain in the knee. CT reveals a tumour has developed from a pre-existing benign bone lesion. This supports which diagnosis?

Name: A 60-year-old male presents with swelling and pain in the knee. CT reveals a tumour has developed from a pre-existing benign bone lesion. This supports which diagnosis?
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Quizplus · Accepted Answer

Secondary chondrosarcoma is a malignant tumor that arises from a pre-existing benign bone lesion, such as an osteochondroma or enchondroma.

A 60-Year-Old Male Presents with Swelling and Pain in the Knee