Computed tomography colonography in 2014: An update on technique and indications

Figure 2 Patient with incomplete colonoscopy due to severe angulation and stricture secondary to diverticular disease of the sigmoid colon. A: On a volume-rendered colon map, a stricture of the sigmoid colon (arrow) and a large filling defect (asterisk) on the medial wall of the descending colon are evident; B: On a coronal image, a large polyp (arrow) of the descending colon is observed.