title: Pituitary apoplexy.
mesh_terms: D000239:Adenoma, Acidophil / Q000150:complications*; D000238:Adenoma, Chromophobe / Q000150:complications*; D000328:Adult; D002561:Cerebrovascular Disorders / Q000209:etiology*; D004630:Emergencies; D005260:Female; D006261:Headache / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010911:Pituitary Neoplasms / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D014786:Vision Disorders / Q000209:etiology