title: A 33-year-old man presented with progressive neck pain and a subjective sensation of neck instability. Diagnosis: type II dens fracture complicating ankylosing spondylitis.
authors.forename: W C
authors.initials: WC
authors.lastname: Peh
mesh_terms: D000328:Adult; D002574:Cervical Vertebrae; D003937:Diagnosis, Differential; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D016103:Spinal Fractures / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D013167:Spondylitis, Ankylosing / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D014057:Tomography, X-Ray Computed