Pylephlebitis. A 56-year-old man with known diabetes presented with acute onset abdominal pain and fever. Coronally reformatted post-contrast abdominal CT image demonstrated diffuse gas and thrombosis within the porto-mesenteric venous axis (arrows). Also, note is made of diffuse wall thickening (arrowheads) in the distal jejunal segment and inflammatory changes within the adjacent mesentery. Laparoscopic resection and histopathological analysis revealed acute jejunal diverticulitis