Whether the most technologically advanced way to check for colon cancer will become the standard screening method of the future does not appear to be a slam-dunk.
The method, known as virtual colonoscopy, combines X-ray and computer technology to create three-dimensional views of the full length of the colon, the large intestine. It allows doctors to look for polyps, or pre-cancerous growths, or other signs of cancer or other intestinal disease. According to the U.S. National Cancer Institute, virtual colonoscopy can be done with computed tomography (called a CT or CAT scan) or with magnetic resonance imaging (MRI).
cancer is one of the few types of preventable cancer, with doctors able
to find and remove pre-cancerous polyps in the colon before cancer can
develop. The current "gold standard" procedure for colon cancer
screening, however, is colonoscopy, a time-consuming procedure for which
preparation is unpleasant and sedation is necessary... Read More