The Food and Drug Administration (FDA) last month recommended that imaging facilities take steps to prevent exposing patients to excess radiation during computed tomography (CT) perfusion scans, citing recent reports of excess radiation. The FDA recommends that facilities assess whether patients who underwent CT perfusion scans received excess radiation, review their radiation dosing protocols for all CT perfusion studies and implement quality control procedures to ensure that dosing protocols are followed. In addition, the agency advises checking the CT scanner display panel before a study.
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