title: Spinal pseudoarthrosis: a complication of ankylosing spondylitis.
mesh_terms: D000328:Adult; D006801:Humans; D007403:Intervertebral Disc / Q000000981:diagnostic imaging / Q000293:injuries; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging / Q000293:injuries; D008297:Male; D011542:Pseudarthrosis / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging / Q000293:injuries; D013167:Spondylitis, Ankylosing / Q000150:complications / Q000000981:diagnostic imaging*