Location of Adenomas Missed by Optical Colonoscopy

Figure 4. Three-dimensional endoluminal view from virtual colonoscopy that simulates retroflexed view of rectal ampulla shows a subtle flat lesion ( ) that measured 7 cm from the anal verge. Note the tip of small rectal catheter ( ) that was used for air insufflation. Two-dimensional axial computed tomography image with soft tissue windowing confirms the presence of a flat rectal lesion ( ).
Figure 4. Three-dimensional endoluminal view from virtual colonoscopy that simulates retroflexed view of rectal ampulla shows a subtle flat lesion ( ) that measured 7 cm from the anal verge. Note the tip of small rectal catheter ( ) that was used for air insufflation. Two-dimensional axial computed tomography image with soft tissue windowing confirms the presence of a flat rectal lesion ( ). Unblinded 7-mm tubular adenoma located in the distal rectum.Left.arrowarrowheadRight.arrow

This Article

  1. Ann Intern Med September 7, 2004 vol. 141 no. 5 352-359