title: [Platybasia, skull base prolapse, syringomyelia, and Chiari's anomaly].
mesh_terms: D000293:Adolescent; D001139:Arnold-Chiari Malformation / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D010985:Platybasia / Q000000981:diagnostic imaging*; D011859:Radiography; D012886:Skull / Q000002:abnormalities; D013595:Syringomyelia / Q000000981:diagnostic imaging*