Is prep-free colon screening on the horizon?
| 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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