title: How much lateral atlantodental interval asymmetry and atlantoaxial lateral mass asymmetry is acceptable on an open-mouth odontoid radiograph, and when is additional investigation necessary?
authors.affiliation: University of Maryland Medical Center, Baltimore 21201, USA.
authors.forename: S E
authors.initials: SE
authors.lastname: Mirvis
mesh_terms: D001268:Atlanto-Axial Joint / Q000000981:diagnostic imaging* / Q000293:injuries; D006801:Humans; D004204:Joint Dislocations / Q000000981:diagnostic imaging*; D009809:Odontoid Process / Q000000981:diagnostic imaging*; D011859:Radiography; D013124:Spinal Injuries / Q000000981:diagnostic imaging