Fig. 1From: Diverticulitis: a comprehensive review with usual and unusual complicationsThirty-eight year-old male with diverticulitis and well-contained perforation. Axial contrast-enhanced CT demonstrates edema and thickening of the sigmoid colon wall with multiple diverticulums. A fluid collection adjacent to the sigmoid colon (arrows) is an abscess caused by perforation of the diverticulitis. Free air pockets (arrowhead) confined to the pericolonic region are seenBack to article page