This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Supracondylar Fracture, Subject name: Orthopaedics
[{'content': 'The malunion of supracondylar fracture of the humerus most commonly leads to: \nSelect and explain. \nA. Flexion deformity, B. Cubitus varus, C. Cubitus valgus, D. Extension deformity', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e. Cubitus varus Repeat Q no. 146 Dec 1997Malunion is the most common complication of a supracondylar fracture and results in a cubitus varus deformity also k/a Gun stock deformity.Although cubitus varus is cosmetically unsightly, it does not have any significant functional disability, so it is corrected surgically only for cosmetic reasons.* Treatment is supracondylar corrective osteotomy (French osteotomy)", 'role': 'assistant'}]