title: [Unusual malformation of the atlas].
mesh_terms: D000015:Abnormalities, Multiple; D000328:Adult; D002356:Cartilage; D001270:Cervical Atlas / Q000002:abnormalities* / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D009333:Neck; D009777:Occipital Bone / Q000254:growth & development; D009999:Ossification, Heterotopic; D010146:Pain / Q000209:etiology; D011859:Radiography; D014054:Tomography; D014103:Torticollis / Q000209:etiology
vernacular_title: Malformation exceptionnelle de l'atlas.