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': "All are true of Dupuytren's contracture except - \nSelect and explain. \nA. Usually 4th finger is involved, B. Bilateral disease is rare, C. Surgical release is useful, D. May be associated with Pyronie disease", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Often both hands are affected (Bilateral disease), one more than the other.\nThe earliest sign is a small thickened nodule in the mid-palm opposite the base of ring finger.\nGradually this extends distally to involve the ring or little finger.\nThere is a rare, curious association with fibrosis of the corpus Cavernosum.', 'role': 'assistant'}]