A member asked:

What is the difference between an air contrast barium enema and a colonoscopy?

A doctor has provided 1 answer

Imaging vs looking: A Barium Enema is performed by a radiologist by flowing contrast solution into the colon and then taking x-rays of the abdomen after the lining of the intestine has been coated. Sigmoidoscopy or colonoscopy is performed by a gastroenterologist who uses a flexible scope and camera to look directly into the colon at the intestinal lining.

Answered 5/28/2015

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