Fecal Scrotal Abscess Secondary to Spontaneous Retroperitoneal Perforation of Ascending Colon

Figure 1

CT scan abdomen with oral contrast showed a large retroperitoneal collection with multiple air lucencies displacing ascending colon and caecum medially. (a) Discontinuity in the posterior wall of ascending colon with a large collection having internal air lucencies, (b) collection with internal air lucencies seen in the right pararenal and posterior perihepatic soft tissue planes, (c) retroperitoneal collection seen tracking into the right iliac fossa, and (d) elongated collection and surrounding soft tissue oedema seen along hamstring muscles of the right thigh.