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: Surgery
Ewings sarcoma clinically mimics ? 
Select and explain. 
A. Osteomyelitis, B. Osteochondroses, C. Osteosclerosis, D. Heterotopic ossification
A: Osteomyelitis
Answer: A: Osteomyelitis 
Explanation: Ans. is 'a' i.e., Osteomyelitis Ewing sarcoma is one of the differential diagnosis for subacute osteomyelitis. (see following table)