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CT scans gain favor as option for colonoscopy

Wall Street Journal (subscription required), October 28, 2008
Virtual colonoscopy has been available for some time, but more medical centers are gearing up to offer the procedure at a time when new research shows it can be about as effective at finding large polyps as a standard colonoscopy. The cost of the virtual test can run from $500 to $1,500, or less than half the total cost of a standard colonoscopy. But the newer procedure is rarely covered by health insurers for routine cancer screening.