Enhanced abdominal computed tomography (A-CT) of severe gastrointestinal edema. a: Liver-stomach level slice, b: Kidney level slice, c: Under umbilical level slice, d: Pelvis level slice. Patient No. 3 visited the emergency department because of severe abdominal pain and vomiting. Obstructive duodenum (arrow) of the small intestine (arrow head) was visualized due to the thickening of the gastrointestinal walls. Gastric (*) and intestinal walls (‡) were expanded. Moderate ascites was observed around liver (†). (Photos were provided by Dr. N. Hosoi, Tokyo-Kita social insurance hospital).