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: Pathology
[{'content': "Lymphocytic colitis - \nSelect and explain. \nA. Bloody diarrhoea, B. Intra epithelial lymphocytes, C. Lymphocytes is stools, D. Through Ileoscopy look for peyer's patches", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lymphocytic colitis\n\nLymphocytic colitis is characterised by chronic watery, non-bloody diarrhoea and a prominent intraepithelial infiltrate of lymphocytes.\nLymphocytic colitis affects male and female equally.\nPt. presented with 3-20 times non-inflammatory non-bloody watery diarrhoea and accompanied by cramping abdominal pain.\nRadiographic studies are unremarkable and endoscopy characteristically reveals normal.\nLymphocytic colitis shows a strong association with autoimmune diseases including celiac disease, Thyroiditis, arthritis and autoimmune gastritis', 'role': 'assistant'}]