title: Modified Brooks fusion for an os odontoideum associated with an incomplete posterior arch of the atlas. A case report.
mesh_terms: D001268:Atlanto-Axial Joint / Q000473:pathology; D001368:Axis, Cervical Vertebra / Q000601:surgery*; D001270:Cervical Atlas / Q000002:abnormalities*; D002648:Child; D006801:Humans; D008297:Male; D013123:Spinal Fusion; D013580:Synostosis / Q000150:complications*