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Medical News and Perspectives
October 13, 2004

Full-Body CT Scans Scale Up Cancer Risk

JAMA. 2004;292(14):1669. doi:10.1001/jama.292.14.1669

Elective full-body computed tomography (CT) scans in healthy individuals have long been controversial because of uncertainties surrounding their ability to detect hidden disease. Now, researchers report that radiation from a single full-body CT examination corresponds to a dose comparable with a level of radiation linked to increased cancer mortality in low-dose atomic bomb survivors from Hiroshima and Nagasaki, in Japan (Radiology. 2004;232:735-738).

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