Study Backs Virtual Colonoscopy

Computer scan as effective as invasive procedure
By Peter Fearon,  Newser Staff
Posted Sep 18, 2008 6:42 AM CDT
Study Backs Virtual Colonoscopy
A 3-D image from a virtual colonoscopy. A new study has found that a virtual colonoscopy is almost as accurate as more invasive procedures.   (AP Photo)

A new study has found a virtual colonoscopy to be almost as effective as a conventional invasive procedure in detecting colon cancer, USA Today reports. Virtual colonoscopies, using scans and computer imaging, discovered 90% of the cancers located by regular colonoscopies, in which a scope is physically passed through the colon, according to the study in the New England Journal of Medicine.    

Gastroenterologists tend to prefer conventional colonoscopies for a number of reasons. Polyps can be located and removed during a single procedure. Virtual exams locate only 65% of smaller polyps and expose the patient to substantial radiation, say critics.
(More colonoscopy stories.)

Get the news faster.
Tap to install our app.
Install the Newser News app
in two easy steps:
1. Tap in your navigation bar.
2. Tap to Add to Home Screen.