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Review
. 2007 Jul-Aug;36(4):176-84.
doi: 10.1067/j.cpradiol.2007.04.001.

CT dose optimization when changing to CT multi-detector row technology

Francis R Verdun  1 , Daniel Gutierrez, Pierre Schnyder, Abbas Aroua, François Bochud, François Gudinchet
Affiliations
Review

CT dose optimization when changing to CT multi-detector row technology

Francis R Verdun et al. Curr Probl Diagn Radiol. 2007 Jul-Aug.

Abstract

The purpose of this article was to review the strategies to control patient dose in adult and pediatric computed tomography (CT), taking into account the change of technology from single-detector row CT to multi-detector row CT. First the relationships between computed tomography dose index, dose length product, and effective dose in adult and pediatric CT are revised, along with the diagnostic reference level concept. Then the effect of image noise as a function of volume computed tomography dose index, reconstructed slice thickness, and the size of the patient are described. Finally, the potential of tube current modulation CT is discussed.

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