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Are advanced imaging technologies worth the risks?

from By Denise A. Valenti

The use of advanced imaging technologies — MRIs and CT scans — increased more than threefold between the years 2000 and 2010. Noninvasive diagnostic technologies can lead to earlier and more precise diagnosis of pathology, but they also come with an increased cost and sometimes with a danger of exposure to ionizing radiation. The risk of incurring cancer from the radiation exposure with CT is small, but it is not zero. With more than 85 million scans performed yearly in the United States, do the benefits outweigh the risks? more


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