U.S. Diagnostic Reference Levels and Achievable Doses for 10 Adult CT Examinations (K Kanal et al, Radiology)

Feb. 22, 2017 — In a two-year study, using data from the world’s largest CT dose index registry, researchers have established U.S. national dose levels for the 10 most common adult CT examinations based on patient size. The study establishes patient-size based diagnostic reference levels (DRLs) and achievable doses (ADs) for the 10 most common CT head, neck and body examinations. Healthcare facilities can optimize these exam protocols so that dose is commensurate with the size of the patient, and help avoid unnecessary radiation exposure.

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