Total colorectal and terminal ileal duplication presenting as intussusception and intestinal obstruction

Figure 2 Axial computed tomographic scans of the lower abdomen. A: Intussusception in the region of the sigmoid and descending colon at right lower quadrant of the abdomen (arrow); B: Scan at a more cranial level revealing a distended descending colon with a thin enhancing rim of a septum (arrow).