title: Misleading appearance of atlantoaxial diastasis in Down syndrome: os odontoideum.
authors.affiliation: Service de Radiologie, Clinique Saint Pierre, Ottignies.
authors.forename: O
authors.initials: O
authors.lastname: Hericord
authors.forename: P
authors.initials: P
authors.lastname: Bosschaert
authors.forename: R
authors.initials: R
authors.lastname: Menten
authors.forename: G
authors.initials: G
authors.lastname: Dembour
mesh_terms: D001268:Atlanto-Axial Joint / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D001863:Bone Screws; D002648:Child; D019299:Decompression, Surgical / Q000379:methods; D004314:Down Syndrome / Q000150:complications*; D005260:Female; D006801:Humans; D007593:Joint Instability / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D008279:Magnetic Resonance Imaging; D009809:Odontoid Process / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D013117:Spinal Cord Compression / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D013122:Spinal Diseases / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D014057:Tomography, X-Ray Computed