Ask the Doctor – Virtual Colonoscopy

Q. What’s the difference between a virtual colonoscopy and a regular colonoscopy? A. Unlike a regular colonoscopy, a computerized tomographic colonography (CTC), also known as virtual colonoscopy, is a noninvasive screening tool. It uses low dose X-rays to make three-dimensional images of your colon and rectum. A study published in the New England Journal of Medicine […]

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