<prompt> Suprasellar calcification with polyuria seen in ?Langerhan cell histocytosisMedulloblastomaPineal omaCraniopharyngioma  <response>: Ans. is d i.e. Craniopharyngioma A suprasellar calcification is typical of craniopharyngioma Polyuria is dt diabetes insipidus caused dt compression by the tumor over pituitary. Schwaz 7e p1629 writes -Clinically, patients with suprasellar tumors typically present with diabetes insipidus, visual difficulties, or endocrinopathy. 