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: Orthopaedics
[{'content': 'A-65 years alcoholic suffering from diabetes has a flexion deformity at the right little finger over the metacarpophalangeal joint of around 15 degrees. The ideal management for him would be - \nSelect and explain. \nA. Observation, B. Percutaneous fasciotomy, C. Subtotal fasciectomy, D. Total fasciectomy', 'role': 'user'}, {'content': "Answer: A \nExplanation: The information in this question are:-\n\n\nPatient is alcoholic and diabetic (both are risk factors for Dupuytren's contracture).\nFlexion deformity at MCP joint of little finger.\nPatient is old (65 years).\n\n\nThe Diagnosis is Dupuytren's contracture.\nThe only effective treatment is by operation; however, operation is not necessary in every case; a contracture that is not progressing rapidly is often better left alone, especially in an elderly patient.\nPrimary indication for surgery is fixed contracture of > 30° at metacarpophalangeal joint or > 15° at proximal interphalangeal joint.", 'role': 'assistant'}]