Cancer risk from CTs not as high as previously thought, study finds

(DIAGNOSTIC IMAGING) -- Patients’ risk of developing cancer from CT scans is not as high as previously thought, but the rate still doubled over the time period studied, according to a study presented Wednesday at the RSNA meeting. Many studies have examined cancer risk from radiation, usually drawing on data from people exposed to high amounts of it, such as from the atomic bomb or radiotherapy. The current study, by Dr. Pat Basu, a radiologist at Stanford University and a White House fellow, instead looks at more than 10 million Medicare claims from 1998 through 2005.

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