Gay, S B Gastrointestinal case of the day. Toxic megacolon with underlying ulcerative colitis. [electronic resource] - AJR. American journal of roentgenology Jul 1996 - 240, 242 p. digital Publication Type: Case Reports; Journal Article ISSN: 0361-803X Standard No.: 10.2214/ajr.167.1.8659382 doi Subjects--Topical Terms: AdolescentColitis, Ulcerative--complicationsFemaleHumansMegacolon, Toxic--diagnostic imagingRadiography