title: Pituitary apoplexy with retraction nystagmus.
mesh_terms: D000236:Adenoma / Q000150:complications; D000368:Aged; D005260:Female; D006801:Humans; D009759:Nystagmus, Pathologic / Q000209:etiology*; D009886:Ophthalmoplegia / Q000209:etiology; D010911:Pituitary Neoplasms / Q000150:complications*