case_images: PMC3578668_01
case_images: CT of abdomen showing free air in right para-renal space (white arrow).
case_images: rjs04101.jpg
case_images: PMC3578668_01_rjs04101.jpg
case_images: RJS041F1
case_images: A computed tomographic (CT) scan of her abdomen and pelvis was arranged, which showed abnormal areas of low attenuation and multiple pockets of air in the right flank, surrounding the right kidney and in the right sub-hepatic space, consistent with a perforation of either the ascending colon or the duodenum (Fig. 1).