HEALTH TOPICS 
Is prep-free colon screening on the horizon?
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In this 3D reconstruction based on CT scans, or "virtual colonoscopy," a 1-centimeter polyp protrudes from the colon wall. Image courtesy Michael Zalis, M.D. |
New Harvard research offers a glimpse of a future when much of
routine colorectal cancer screening will no longer require an
aggressive bowel prep to clear the colon. Instead, the colon will
be imaged in a CT scan and the stool removed digitally—akin to
Photoshopping blemishes from a still photo.
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