Congenital arachnoid cysts.
D001099:Arachnoid; D001921:Brain / Q000473:pathology; D002533:Cerebral Angiography; D014695:Cerebral Ventriculography; D003560:Cysts / Q000151:congenital* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D006801:Humans; D006849:Hydrocephalus / Q000150:complications / Q000601:surgery; D007223:Infant; D008297:Male