New page on diagnostic reference levels in CT

Diagnostic reference levels (DRLs) have established utility for more than two decades and have been used with success in many countries for optimization, that is, to reduce patient doses in diagnostic imaging without compromising on image quality. Despite decades of availability, their precise basis, role and proper application remains not fully understood. There has been a recent spurt in activity on individual patient optimization in computed tomography (CT) which has raised many questions that create misunderstandings about DRLs. In order to create a better understanding of the concepts and application of DRLs, a new page on DRLs in CT has been added on this website.

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