When bowel preps are not good, doctors may miss almost half of adenomas (polyps) during colonoscopy. Worse, they may miss nearly 1 in 3 large adenomas, the most worrisome kind.
The bad news is that bowel prep may be suboptimal in as many of one in four patients.
Because of the danger of missing an adenoma after poor bowel prep, some doctors will repeat the colonoscopy, particularly if they found at least one adenoma during the first exam. Read the rest of this entry »