Synovial rupture of rheumatoid elbow causing radial nerve compression.
D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000000981:diagnostic imaging; D004551:Elbow Joint / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D009408:Nerve Compression Syndromes / Q000209:etiology*; D011826:Radial Nerve; D011859:Radiography; D012422:Rupture, Spontaneous; D013583:Synovial Membrane / Q000000981:diagnostic imaging