This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Elbow injuries, Subject name: Orthopaedics
Osteochondritis of the epiphysis of the head of the femur is 
Select and explain. 
A. Panner's disease, B. Kienbock's disease, C. Pehes' disease, D. Osgood Shlatter's disease
C: Pehes' disease
Answer: C: Pehes' disease 
Explanation: Pehes&; disease, the osteochondritis of the epiphysis of the head of the femur is the commonest osteochondritis.Maheswari 5e pg: 318