[A case of XXXX with acute visual disturbance (author's transl)].

@entity1 @entity129 @entity227 @entity66 @entity548 @entity5 @entity715 @entity51 @entity2477 @entity1779
The authors report a case of parasellar @entity2477 having grown to the suprasellar region within 3 year's period and showing acute visual disturbance caused by @entity548 . A 44-year-old @entity1 , who had experienced spontaneous @entity1779 in the left inferior frontal lobe 3 years ago and then obtained good recovery in the post-operative period had suddenly developed @entity227 without other @entity51 . CT scan revealed an irregular @entity66 in the chiasmal region, which had a crown-like high density area over the suprasellar low density. Carotid angiogram showed a suprasellar avascular mass and the left A1 segment showed marked narrowing. Neither @entity5 nor venous pooling was visible in the capillary and venous phase. Surgery disclosed a @entity5 with thin capsular wall, extending from the left cavernous sinus to the suprasellar region, and it was accompanied by @entity548 compressing the left optic nerve. The @entity5 was subtotally removed. High density area on the precontrast scan was confirmed to be @entity548 and the low density area was of organized tissue due to @entity715 . Histological finding was compatible to @entity2477 . Postoperatively visual acuity of the @entity1 was well recovered, but left 3rd and 6th @entity129 followed. The authors discussed the mechanism of acute onset and CT findings of the @entity2477 arising in the chiasmal region with a review of literature.
