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': 'A patient presenting with H/0 diarrhea for several years with recent onset pruritus & T Alkalline Phosphatase, normal SGOT/PT & USG shows no gall stones & biliary tract abnormality, the diagnosis is - \nSelect and explain. \nA. Hodgkins Lymphoma, B. Sclerosing cholangitis, C. Chronic HepatitisAutoimmune Hepatitis, D. Viral Hepatitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Sclerosing cholangitis This patient having inflammatory bowel disease (history of diarrhoea for several years) now presenting with pruritus and T alkaline phosphatase points towards the diagnosis of Primary sclerosing cholangitis.', 'role': 'assistant'}]