Late presentation of stricture of the aqueduct of Sylvius.
D000293:Adolescent; D002535:Cerebral Aqueduct / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014695:Cerebral Ventriculography; D002557:Cerebrospinal Fluid Shunts; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007427:Intracranial Pressure