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': 'When do you operate for prolapsed disc ? \nSelect and explain. \nA. Busy executive needs quick surgery, B. Only with weakness no pain, C. Severe pain interfering with activity and not relieved by rest and treatment of 8 weeks, D. Patient of PID with difficulty in ambulation', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Severe pain interfering with activity and not relieved by rest and treatment of 8 weeks Indications for surgery in cases of Prolapsed interveebral disc are :- i) Failure of conservative treatment (even after 8 weeks of treatment). ii) Progressive neurological deficit. iii) Cauda - equina syndrome. iv) Severe sciatic tilt.", 'role': 'assistant'}]