Arthritis with nodules following ankylosing spondylitis.
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012218:Rheumatoid Nodule / Q000150:complications* / Q000473:pathology; D012698:Serologic Tests; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000000981:diagnostic imaging