Computed tomographic colonography (CTC) depicts cancers and other clinically important conditions that would be missed with standard colonoscopy and at very little additional cost, according to a study in the August issue of Radiology.
"The chance of finding cancer outside the colon may be as significant as the chance of finding cancer inside the colon," said Judy Yee, M.D., Chief of Radiology at the Veterans Affairs Medical Center and associate professor and Vice Chair of radiology at University of California San Francisco School of Medicine.
CTC, also known as virtual colonoscopy, is a non-invasive screening method for colon cancer. Virtual colonoscopy uses a series of CT images to visually reconstruct the interior of the colon on a computer. Unlike standard colonoscopy--which explores only the interior of the colon, virtual colonoscopy depicts the surrounding areas as well.
Maureen Morley | EurekAlert!
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