title: Radiology of acute toxic megacolon.
mesh_terms: D000208:Acute Disease; D000368:Aged; D000388:Air; D000886:Anthropometry; D001466:Barium Sulfate; D003093:Colitis, Ulcerative / Q000150:complications / Q000000981:diagnostic imaging*; D003106:Colon / Q000000981:diagnostic imaging*; D004106:Dilatation; D004733:Enema; D006801:Humans; D008297:Male; D011187:Posture; D011859:Radiography
chemical_list: D001466:Barium Sulfate