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
[{'content': "Treatment of rectal prolapse in childhood is - \nSelect and explain. \nA. Lahaut's operation, B. Incision of prolapsed mucosa, C. Thiersch wiring, D. Ripstein operation", 'role': 'user'}, {'content': 'Answer: C \nExplanation: • Prolapse during childhood is best managed conservatively, the only exception is persistence of prolapse despite effective treatment of diarrhea, worm infestation and malabsorption. These cases are managed by surgery.', 'role': 'assistant'}]