Fig. 21

SMA thrombosis. A 65-year-old male with a previous history of surgically treated intestinal gastrointestinal stromal tumor presented with abdominal pain, distension and tenderness. Coronally reformatted post-contrast CT image demonstrates thrombotic occlusion of SMA (arrow) 4–5 cm distal to its origin. Also, note the presence of air within the walls of the small bowel segments consistent with pneumatosis intestinalis (arrowheads). Surgery confirmed infarcted ileal segments and the patient underwent intestinal resection