PMC3579529_01
Axial abdominal CT scan demonstrating a target sign mass consistent with intussusception with its inferior aspect tapering to a point consistent with volvulus.
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RJS018F1
SBO. Subsequent contrast-enhanced computed tomography (CT) of the abdomen and pelvis showed dilated loops of small bowel with evidence of strangulation and a mesenteric whirl sign converging at a suture line (Fig. 1). 