title: Atlantoaxial subluxation as a complication of early ankylosing spondylitis. Two cases reports and a review of the literature.
mesh_terms: D000328:Adult; D001270:Cervical Atlas / Q000293:injuries*; D006801:Humans; D004204:Joint Dislocations / Q000000981:diagnostic imaging / Q000209:etiology*; D008297:Male; D011859:Radiography; D013117:Spinal Cord Compression / Q000209:etiology; D013124:Spinal Injuries / Q000000981:diagnostic imaging / Q000209:etiology; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000000981:diagnostic imaging; D013585:Synovitis / Q000150:complications / Q000000981:diagnostic imaging