Spinal intradural arachnoid cysts.
D000328:Adult; D000368:Aged; D001099:Arachnoid / Q000601:surgery; D003560:Cysts / Q000000981:diagnostic imaging / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009192:Myelography; D013118:Spinal Cord Diseases / Q000000981:diagnostic imaging / Q000601:surgery*