New guidelines introduce quality indicators like bowel preparation adequacy and sessile serrated lesion detection rates for colonoscopy. The adenoma detection rate (ADR) threshold increased from 30% ...

Everyone needs to have at least one colonoscopy by age 50. How often you need them or if you need one earlier depends on many factors, such as your age, other risk factors, and other conditions. A ...

You need to follow a special diet and may take laxatives to clean out your bowel before a colonoscopy. Drink plenty of clear liquids to avoid dehydration during the bowel prep. You might need to split ...

To prepare for a colonoscopy, you may need to avoid fiber in the days leading up to your appointment and follow a clear liquid diet beginning the day before. Preparation also involves taking laxatives ...