You are hereArchive - Sep 19, 2008

Archive - Sep 19, 2008

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"Do I really want that CT scan?" Study shows increased radiation exposure, cancer risks, tests often unnecessary

anatomy of a CT scan

(quote)

CT scans can be better medicine for doctors than for patients - they provide detailed views of internal organs, but the price is increased doses of radiation. A chest CT scan is equivalent to about 100 X-rays.

When Maureen Scanlan had a painful kidney stone episode four years ago, she was pleased that her doctor ordered an annual regimen of CT scans to monitor her condition. The scans involved hundreds of razor-thin X-rays of her innards stitched together by a computer into stunningly detailed 3-D images showing the size and location of the stone, down to the millimeter. What she didn't realize was that the perfection of the images was a result of a radiation dose equivalent to more than a dozen standard abdominal X-rays -- all for a condition that though painful is relatively mundane.

a chest CT scan is equivalent to about 100 X-rays read more »

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