Erythema elevatum diutinum.
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications; D003622:Dapsone / Q000627:therapeutic use*; D004890:Erythema / Q000188:drug therapy; D006801:Humans; D007871:Leg Ulcer / Q000150:complications / Q000188:drug therapy; D008297:Male; D011241:Prednisone / Q000627:therapeutic use*; D012871:Skin Diseases / Q000150:complications / Q000188:drug therapy*; D014657:Vasculitis / Q000188:drug therapy
D003622:Dapsone; D011241:Prednisone