Colonoscopy vs. Sigmoidoscopy: What’s the Difference? If your doctor wants to check the health of your colon — whether as part of a routine screening or to investigate a concern — they may recommend a ...

A colonoscopy is a telescopic and visual examination of the colon and rectum. It helps doctors detect abnormalities in the bowel, including signs of colorectal cancer, polyps, unexplained diarrhea, ...

Five days before a colonoscopy, people usually need to move to low-fiber foods, such as white bread and eggs. For the last 1–3 days, they may only be consuming clear liquids and laxatives. A doctor ...

We evaluated the performance characteristics of computed tomographic (CT) virtual colonoscopy for the detection of colorectal neoplasia in an average-risk screening population. A total of 1233 ...