Toxic Megacolon Associated with Cytomegalovirus Infection with Total Colonic Necrosis

A 73-year-old woman presenting with anorexia was admitted. She had been treated for diabetes and hyperlipidemia, but had no past history of Inflammatory Bowel Disease (IBD) or corticosteroid therapy. On the fifth day of hospitalization, computed tomography (CT) revealed edema and dilation of the rectum and sigmoid colon