[Disproportionately large communicating fourth ventricle. Report of two cases occurring after suboccipital craniectomy].
D002535:Cerebral Aqueduct; D002552:Cerebral Ventricles / Q000473:pathology*; D014695:Cerebral Ventriculography; D002557:Cerebrospinal Fluid Shunts / Q000009:adverse effects*; D004108:Dilatation, Pathologic / Q000000981:diagnostic imaging / Q000209:etiology; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000473:pathology / Q000601:surgery*; D008875:Middle Aged; D010537:Peritoneum / Q000601:surgery; D012086:Reoperation; D014057:Tomography, X-Ray Computed