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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Radiol Clin North Am. 2013 Jan;51(1):69–88. doi: 10.1016/j.rcl.2012.09.005

FIGURE 4. Confirmation of polyp on poorly-distended colonic segment.

FIGURE 4

FIGURE 4

FIGURE 4

FIGURE 4

FIGURE 4

Supine 2D CTC images (A and B) show long-segment collapse of the sigmoid colon, largely obscuring a 15-mm polyp (arrows), which is easily identified on the alternate position (C and D). This proved to be a tubular adenoma after resection at OC (E).

(From reference 5, with permission)