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
Aseptic necrosis is commoner in fractures of: September 2011 
Select and explain. 
A. Calcaneum, B. Scaphoid, C. Cuboid, D. Trapezium
B: Scaphoid
Answer: B: Scaphoid 
Explanation: Ans. B: Scaphoid The blood supply of the Scaphoid is precarious In fractures through the waist, there is high probability of the proximal fragment becoming avascular