Fig. 15

A 65-year-old female patient presented with acute abdominal pain. a Coronal, b sagittal maximum intensity projection (MIP) CT images, showing partially thrombosed portal vein yet with good contrast opacification with old calcified thrombus seen within (orange arrows) with total thrombosis of the SMV (yellow arrowheads) (which has malrotation configuration with SMA (blue arrowhead) seen on (c) axial CT image) as well as its visualized distal branches (white arrowheads) and submucosal edema with non-enhancing affected bowel loops (circle) and hypoenhancing bowel loops (white arrow), giving a target sign. d Axial CT image showing non-enhancing distended bowel loops with diffuse pneumatosis intestinalis (green arrow heads), compared with normal enhancing ileal bowel loop (red arrow) with mesenteric venous gas is seen (curved arrows)