title: Delayed chiasmal decompression after transsphenoidal operation for a pituitary adenoma.
abstract: A patient with a large pituitary adenoma and visual field loss showed no significant change 6 weeks after transsphenoidal operation, but marked and abrupt improvement occurred at 10 weeks. The implications of this delayed improvement are discussed.
mesh_terms: D000236:Adenoma / Q000150:complications / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000209:etiology* / Q000628:therapy; D009897:Optic Chiasm; D010911:Pituitary Neoplasms / Q000150:complications* / Q000601:surgery; D014786:Vision Disorders / Q000209:etiology* / Q000628:therapy; D014794:Visual Fields