An expanding lesion of the intervertebral disc in a case of ankylosing spondylitis.
D000328:Adult; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000000981:diagnostic imaging*; D008297:Male; D011859:Radiography; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging*