This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thyroid Malignancies, Subject name: Surgery
[{'content': 'A 52 year female pt. presents with symptoms of pheochromocytoma. She also has a thyroid carcinoma. Her thyroid Ca is of which type : \nSelect and explain. \nA. Anaplastic, B. Medullary, C. Folliculare, D. Papillary', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' ie. Medullary carcinoma (Ref Harrison 17/e p2359 (16/e, p 2231, 15/e, p 2185) & Q. Nov. 2000)Pt. is having MEN syndrome type II.MEN syndrome is associated with medullary Ca of thyroid.", 'role': 'assistant'}]