title: Spontaneous atlantoaxial fusion in psoriatic arthritis. A case report.
mesh_terms: D000844:Ankylosis / Q000000981:diagnostic imaging / Q000209:etiology*; D001168:Arthritis / Q000150:complications* / Q000000981:diagnostic imaging; D001268:Atlanto-Axial Joint / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000150:complications* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed