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: Anatomy
Onion peel appearance in X-ray suggests 
Select and explain. 
A. Osteogenic sarcoma, B. Ewings sarcoma, C. Osteoclastoma, D. Chondrosarcoma
B: Ewings sarcoma
Answer: B: Ewings sarcoma 
Explanation: Onion peel appearancne Typical of ---Ewings sarcoma May also be seen in ----Osteosarcoma and osteomyelitis Refer Campbell 13th/e p 953