title: Unusual features of leptomeningeal cysts.
mesh_terms: D000293:Adolescent; D000328:Adult; D001845:Bone Cysts / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D002552:Cerebral Ventricles; D014695:Cerebral Ventriculography; D006801:Humans; D008297:Male; D008578:Meninges; D008875:Middle Aged; D009777:Occipital Bone / Q000000981:diagnostic imaging; D013346:Subarachnoid Space / Q000000981:diagnostic imaging