title: Pneumatosis intestinalis in a patient with polyarteritis nodosa.
abstract: Necrotizing enterocolitis of the small bowel in polyarteritis nodosa is rare. In the proper clinical setting, pneumatosis intestinalis and mesenteric air are characteristic of this entity.
mesh_terms: D000328:Adult; D004761:Enterocolitis, Pseudomembranous / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008297:Male; D011006:Pneumatosis Cystoides Intestinalis / Q000150:complications*; D010488:Polyarteritis Nodosa / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography