FDA may require safer CT scans to prevent unnecessary radiation


February 12, 2010

USA Today

The Food and Drug Administration is considering new safeguards for CT scanners and other imaging machines to prevent patients from receiving unnecessary radiation exposure, officials said Tuesday.

Doctors and patients have become increasingly concerned about the risks of medical radiation, which research shows could cause 29,000 new cancers a year. In December, published research showed that medical imaging tests — which includes PET scans, barium swallows and other scans — may expose people to four times as much radiation as estimated by earlier studies. Americans' exposures to radiation have nearly doubled over the past two decades, largely because of tests such as CTs, the FDA says... read more