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What is the difference between a colonoscopy and a sigmoidoscopy?

April 26, 2017Colonoscopy sigmoidoscopy

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What is the difference between a colonoscopy and a sigmoidoscopy?

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A sigmoidoscopy views the lower third of your colon, up to 60 centimeters, and is performed in the office without sedation. A colonoscopy views the entire large intestine (colon). A colonoscopy is performed with sedation and requires monitoring of your breathing and blood pressure. Please see more detailed information under Procedures.