title: [Familial occurrence of basilar impression].
abstract: The authors studied nine members of the same family; two among them received surgical treatment for basilar impression and Arnold-Chiari malformation. In the other members of the family, several signs and symptoms of central nervous disease were observed. All patients had the apex of the odontoid apophysis above McGregor's line, 4 mm in the case 9, and 10 mm or more in the others.
mesh_terms: D000328:Adult; D000368:Aged; D001139:Arnold-Chiari Malformation / Q000235:genetics* / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010985:Platybasia / Q000235:genetics* / Q000601:surgery
vernacular_title: Ocorrência familiar de impressão basilar.