Fig. 1

a–c Contrast-enhanced abdominal CT (90 s after injection of contrast agent) axial image of case 1; d, e contrast-enhanced abdominal CT (90 s after injection of contrast agent) coronal image of case 1. The dilated small intestine with a thickened bowel wall (arrow) with a high density area of mesenteric fat presenting with edematous changes (asterisk). Strangulation of the small intestine and mesenteric fat, and vascular structures presenting as the whirl sign (circle) can also be identified