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Iterative Reconstruction Technique for Reducing Body Radiation Dose at CT: Feasibility Study

American Journal of Roentgenology · 2009 · Vol. 193(3) · pp. 764–771

Amy K. Hara✉Robert G. Paden(Mayo Clinic in Arizona)Alvin C. SilvaJennifer L. Kujak(Mayo Clinic in Arizona)Holly J. Lawder(Mayo Clinic in Arizona)William Pavlicek(Mayo Clinic in Arizona)

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Abstract

These preliminary results support body CT dose index reductions of 32-65% when adaptive statistical iterative reconstruction is used. Studies with larger statistical samples are needed to confirm these findings.

Radiation Dose and Imaging Advanced X-ray and CT Imaging Medical Imaging Techniques and ApplicationsIterative reconstructionImage qualityMedicineImaging phantomImage noiseNuclear medicineImage resolutionContrast (vision)Statistical noiseTomography

MeSH terms

AgedAged, 80 and overFeasibility StudiesFemaleHumansImage EnhancementMaleMiddle AgedRadiation DosageRadiation InjuriesRetrospective StudiesTomography, X-Ray ComputedModels, StatisticalPhantoms, Imaging

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Innovations in CT Dose Reduction Strategy: Application of the Adaptive Statistical Iterative Reconstruction Algorithm