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
Pehe's disease is Osteochondritis of the epiphysis of the: March 2013 (g) 
Select and explain. 
A. Capitulum, B. Lunate, C. Femoral head, D. Calacaneal tuberosity
C: Femoral head
Answer: C: Femoral head 
Explanation: Ans. C i.e. Femoral head Osteochondritis Pehes disease: - Osteochondritis of femoral head - Adduction is unaffected - IOC for Pehes disease: MRI Osteochondritis of lunate: Kienbock's disease Osteochondritis of tibial tubercle: OschGood's Schlatter's disease Osteochondritis of calcaneum: Sever's disease