Necrotizing colitis associated with rheumatoid arthritis.
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000473:pathology; D003092:Colitis / Q000209:etiology* / Q000473:pathology; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology; D008297:Male; D009336:Necrosis; D014456:Ulcer / Q000209:etiology