This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
Onion peel appearance in X-ray suggests- 
Select and explain. 
A. Osteogenic sarcoma, B. Ewing's sarcoma, C. Osteoclastoma, D. Chondrosarcoma
B: Ewing's sarcoma
Answer: B: Ewing's sarcoma 
Explanation: Onion - peel appearance


Typical of →  Ewing's sarcoma
May also be seen in → Osteosarcoma and osteomyelitis.