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
The most common complication of supracondylar fracture is 
Select and explain. 
A. Osteosarcoma, B. Genu valgum, C. Blood vessel injury, D. Malunion with gun stock deformity
D: Malunion with gun stock deformity
Answer: D: Malunion with gun stock deformity 
Explanation: D i.e. Malunion with gunstock deformity