Arachnoid cysts involving a portion of the intraorbital optic nerve.
Two patients were seen. One had chronic monocular choked disc, visual loss, and optociliary veins; the other had optic atrophy and a left-sided frontotemporal porencephalic cyst. Both patients were found on pathologic examination to have arachnoid cysts involving a localized segment of the intraorbital optic nerve.
D000328:Adult; D001099:Arachnoid / Q000473:pathology; D002493:Central Nervous System Diseases / Q000150:complications* / Q000473:pathology; D003560:Cysts / Q000150:complications* / Q000473:pathology; D005260:Female; D006801:Humans; D008875:Middle Aged; D009896:Optic Atrophy / Q000473:pathology; D009901:Optic Nerve Diseases / Q000209:etiology* / Q000473:pathology; D014794:Visual Fields