Chicago—New research suggests that concern over increased risk of cancer from radiation exposure due to cardiac computed tomography (CT) may be exaggerated.
The research, presented at the Scientific Assembly of the Radiological Society of North America (RSNA) held here in December, counters perceptions by the public and some nonradiology physicians gleaned from lay press stories last year that 1 in 114 young women undergoing a single 64-slice CT coronary angiography would develop some form of cancer because of exposure to radiation during the procedure. The new findings estimate the risk at just over 1 in 800 for an average middle-aged individual.
Mitka M. Cardiac CT Cancer Risks Less Than Feared? JAMA. 2009;301(4):367. doi:10.1001/jama.2008.963
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