Radiation Risk From Medical Imaging

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What You Need to Know About Radiation Risks From CT, Other Scans

By J. DeNoon

WebMD Health News

Reviewed by J. , MD

March 31, 2010 -- In a sometimes contentious two-day meeting, the FDA has put

forward its plan to reduce unnecessary radiation exposure from CT scans, nuclear

medicine studies, and fluoroscopy.

These medical imaging techniques represent only about a fourth of imaging tests

that expose U.S. patients to radiation, but they expose patients to nearly 90%

of the radiation they get from medical imaging.

And more and more Americans get these tests every year. They're the main reason

why the U.S. population's radiation exposure has almost doubled over the last 20

years.

An individual's chance of getting cancer from a single scan is small. But

because the scans are so widely used, they cause a considerable amount of harm.

One study estimated that the CT scans performed in 2007 are related to some

29,000 future cancers.

Full story

http://www.webmd.com/cancer/news/20100331/faq-radiation-risk-from-medical-imagin\

g?ecd=wnl_day_040110 & print=true

or http://tiny.cc/gx45h

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