title: Os odontoideum.
authors: Department of Diagnostic Radiology, St George's Hospital, London.
authors: D
authors: D
authors: Horsfield
authors: S
authors: S
authors: Halpin
mesh_terms: D000328:Adult; D001268:Atlanto-Axial Joint / Q000293:injuries; D001368:Axis, Cervical Vertebra / Q000293:injuries*; D005260:Female; D005500:Follow-Up Studies; D050723:Fractures, Bone / Q000145:classification; D006801:Humans; D009809:Odontoid Process / Q000000981:diagnostic imaging / Q000293:injuries*; D011859:Radiography