Onion skin appearance is seen in_______________?
Correct answer: D. Ewing's sarcoma
- A. Fibro sarcoma
- B. Osteosarcoma
- C. Osteoma
- D. Ewing's sarcoma
Explanation
Ewing sarcoma classically causes an onion-skin periosteal reaction due to repeated layers of reactive new bone formation. Osteosarcoma more typically shows a sunburst pattern or Codman triangle.
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Practise Systemic Pathology
39 free Systemic Pathology MCQs from Pathology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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