Moderate

A 13 year old boy presents with a large mixed lytic and blastic mass in the metaphyseal region of the lower end of femur. The most likely diagnosis is___________?

Correct answer: B. Osteosarcoma

  • A. Ewing's sarcoma
  • B. Osteosarcoma
  • C. Chondrosarcoma
  • D. Giant cell tumourOrder DNA Kits

Explanation

In an adolescent, a mixed lytic and blastic lesion in the metaphysis near the knee strongly indicates osteosarcoma. Ewing sarcoma is usually diaphyseal, while giant cell tumour is generally epiphyseal after skeletal maturity.

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