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Colonoscopy is a procedure that lets your doctor look inside your entire large intestine. It uses an instrument called a colonoscope, or scope for short. Scopes have a tiny camera attached to a long, thin tube. The procedure lets your doctor see things such as inflamed tissue, abnormal growths, and ulcers.
Your doctor may recommend a colonoscopy for a number of reasons:
Your doctor can also remove polyps from your colon during a colonoscopy.
National Institute of Diabetes and Digestive and Kidney Diseases
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|Date last updated: 07 April 2009
Topic last reviewed: 21 January 2009