image Polyp on colon.

A virtual colonoscopy is comparable to a standard colonoscopy, which uses a long, flexible tube with a camera to view the lining of the colon, in its ability to accurately detect cancer and precancerous polyps and could serve as an initial screening exam for colorectal cancer. This newer screening technique employs virtual reality technology to produce a three-dimensional visualization that permits a thorough and minimally invasive evaluation of the entire colon and rectum. The trial was sponsored by the National Cancer Institute.

About Mark Lee

Editor, author and writer with career spanning print, radio, television and new media.

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