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Sigmoidoscopy: Types of Colon Polyps


Photographs of colon polyps visible with a sigmoidoscope

Photo credit: Jacqueline Littée, RN. Adapted with permission. All rights reserved.

A polyp is a small growth of excess tissue that often grows on a stem or stalk on the inner surface of the large intestine (colon). Most polyps do not contain cancer cells. But some polyps can become cancerous over time.

ByHealthwise Staff
Primary Medical ReviewerAdam Husney, MD - Family Medicine
Specialist Medical ReviewerArvydas D. Vanagunas, MD - Gastroenterology
Last RevisedDecember 7, 2011

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