The most common malignant lesion of bone:

 # The most common malignant lesion of bone:

A. Osteosarcoma

B. Metastatic carcinoma

C. Osteochondroma

D. None of the above

The correct answer is A. Osteosarcoma.

 The most common primary malignant bone tumors are osteosarcoma (35%), chondrosarcoma (25%), and Ewing's sarcoma (16%). Less frequently (≤ 5%) occurring tumors are chordoma, malignant fibrous histiocytoma of bone, and fibrosarcoma of bone.

Ref: https://pubmed.ncbi.nlm.nih.gov/22130624/

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