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': 'Suprasellar calcification with polyuria seen in ? \nSelect and explain. \nA. Langerhan cell histocytosis, B. Medulloblastoma, C. Pineal oma, D. Craniopharyngioma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e. Craniopharyngioma A suprasellar calcification is typical of craniopharyngioma Polyuria is d/t diabetes insipidus caused d/t compression by the tumor over pituitary. (Schwaz 7/e p1629 writes -"Clinically, patients with suprasellar tumors typically present with diabetes insipidus, visual difficulties, or endocrinopathy.")', 'role': 'assistant'}]