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Definition of Colonoscopy

Colonoscopy: A procedure whereby a physician inserts a viewing tube (colonoscope) into the rectum for the purpose of inspecting the colon. During colonoscopy, polyps can be removed, bleeding can be cauterized, and a biopsy can be performed if abnormal areas of the colon are seen.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=2792
Last Editorial Review: 3/19/2012

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