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