Pseudoxanthomatous rheumatoid nodules.
D003937:Diagnosis, Differential; D005384:Finger Joint / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012218:Rheumatoid Nodule / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology*; D014973:Xanthomatosis / Q000175:diagnosis*