Sigmoidoscopy vs. Colonoscopy Center

Both sigmoidoscopy and colonoscopy are nonsurgical procedures that involve use of a tube (endoscope) with a light and camera to examine parts of the large intestine (colon). A sigmoidoscopy is a procedure in which a fiberoptic camera is used to examine the rectum and lower part of the colon. The difference between a sigmoidoscopy and colonoscopy is that a colonoscopy examines the upper part of the colon as well. Read more: Sigmoidoscopy vs. Colonoscopy Article

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