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.

Last Updated: April 30, 2009

Medical Review: Kathleen Romito, MD - Family Medicine & Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology

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