title: Toxic megacolon complicating pseudomembranous colitis.
mesh_terms: D000328:Adult; D003093:Colitis, Ulcerative / Q000209:etiology*; D004761:Enterocolitis, Pseudomembranous / Q000150:complications*; D005260:Female; D006801:Humans; D008532:Megacolon, Toxic / Q000209:etiology*