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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

Prone 2D CTC image (A) shows multiple arciform streaks off the air-fluid level in the descending colon, which is caused by the intra-scan flow of fluid. Note the lack of motion or artifacts elsewhere on the image. The artifacts are also evident on the 3D endoluminal view (B).

Prone 2D CTC image (A) shows multiple arciform streaks off the air-fluid level in the descending colon, which is caused by the intra-scan flow of fluid. Note the lack of motion or artifacts elsewhere on the image. The artifacts are also evident on the 3D endoluminal view (B).