As clinical evidence accumulates on the virtual colonoscopy, doctors and insurers will be able to adjust their practices accordingly.

WSJ: Of NICE and Men

Studies suggest that virtual colonoscopy with a CT scanner may actually be better than colonoscopy in finding colon cancer.

CNN: Are colonoscopies really necessary for people over 50?

Recently, a number of groups, including my employer, the American Cancer Society, have also recommended considering virtual colonoscopy, which involves the same bowel preparation and a CT scan with some radiation exposure.

CNN: Are colonoscopies really necessary for people over 50?

To take an example from one of our recent editorials, Medicare today refuses to reimburse for the new, less invasive preventive treatment known as a virtual colonoscopy, but such private insurers as Cigna and United Healthcare do.

WSJ: Of NICE and Men