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
Following are the common sites of Avascular necrosis, EXCEPT: 
Select and explain. 
A. Proximal half of scaphoid, B. The body of talus, C. Patella, D. Head of the femur
C: Patella
Answer: C: Patella 
Explanation: C i.e. Patella Avascular necrosis is common in head of femur, proximal scaphoid and body of talusQ