title: Radiology quiz case 2. Nontraumatic atlantoaxial subluxation (also known as Grisel syndrome).
authors.affiliation: Baylor College of Medicine, Houston, Texas, USA.
authors.forename: Karuna
authors.initials: K
authors.lastname: Dewan
authors.forename: Carla
authors.initials: C
authors.lastname: Giannoni
mesh_terms: D001268:Atlanto-Axial Joint / Q000293:injuries*; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D004204:Joint Dislocations / Q000000981:diagnostic imaging*; D013577:Syndrome; D014057:Tomography, X-Ray Computed