Small bowel volvulus with jejunal diverticulum: Primary or secondary?

Figure 1 Contrast-enhanced computed tomography scan of the abdomen showing the mesentery and superior mesenteric artery with whirl sign.

Figure 2 Multidetector computed tomography showing twisted small vessels arising from the distal superior mesenteric artery, with no relevant primary vascular stenosis or occlusion.

Figure 3 One jejunal diverticulum with a size of 2. 6 cm × 1.8 cm was seen at laparotomy.

Figure 4 Whole small bowel arrangement to prevent re-torsion was performed at laparotomy.