The Arnold-Chiari malformations.
D001139:Arnold-Chiari Malformation / Q000150:complications / Q000266:history* / Q000473:pathology / Q000601:surgery; D002531:Cerebellum / Q000473:pathology; D049672:History, 19th Century; D006801:Humans; D006849:Hydrocephalus / Q000473:pathology; D013116:Spinal Cord / Q000473:pathology; D016135:Spinal Dysraphism / Q000150:complications