The proximal fragment of scaphoid after fracture is predisposed for Avascular Necrosis because:: (A) Retrograde blood flow to the proximal fragment, (B) Difficulty in immobilizing the proximal fragment, (C) Fracture configuration of the proximal fragment is usually comminuted, (D) Proximal Fragment aiculates with the radius
Answer is A. A i.e. Retrograde blood flow to the proximal fragment