title: Natural history of os odontoideum.
abstract: Os odontoideum has recently been considered an acquired lesion of the second cervical vertebrae. This case documents the natural progression of the formation of os odontoideum and correlates it with a traumatic event. This is the first case reported in the literature.
authors.affiliation: Department of Orthopaedic Surgery, William Beaumont Hospital, Royal Oak, Michigan.
authors.forename: T C
authors.initials: TC
authors.lastname: Schuler
authors.forename: L
authors.initials: L
authors.lastname: Kurz
authors.forename: D E
authors.initials: DE
authors.lastname: Thompson
authors.forename: G
authors.initials: G
authors.lastname: Zemenick
authors.forename: R N
authors.initials: RN
authors.lastname: Hensinger
authors.forename: H N
authors.initials: HN
authors.lastname: Herkowitz
mesh_terms: D001268:Atlanto-Axial Joint; D001861:Bone Regeneration; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007593:Joint Instability / Q000209:etiology; D009809:Odontoid Process / Q000000981:diagnostic imaging / Q000293:injuries* / Q000502:physiology; D010014:Osteolysis / Q000209:etiology*; D011859:Radiography