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
Most common site of osteochondritis dessicans - 
Select and explain. 
A. Lateral part of the medial femoral condyle, B. Medial part of the medial femoral condyle, C. Lateral part of the lateral femoral condyle, D. Medial part of the lateral femoral condyle
A: Lateral part of the medial femoral condyle
Answer: A: Lateral part of the medial femoral condyle 
Explanation: Osteochondritis dessicans involves lateral surface of medial femoral condyle.