This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Orthopaedics
Most common complication following intertrochanteric fracture femur is: 
Select and explain. 
A. Avascular necrosis of femoral head, B. Malunion, C. Rupture of the Iliopsoas tendon, D. Distal gangrene
B: Malunion
Answer: B: Malunion 
Explanation: Ans. B. MalunionThe commonest complication of a trochanteric fracture of the femur is malunion and results in Coxa vara. Nonunion is rather rare.