Effectiveness of body size stratification for patient exposure optimization in Computed Tomography

To establish size-dependent DRL and to estimate the effectiveness of the size-dependent DRLs over size-independent DRLs for a CT exposure optimization process. The study included 16,933 adult CT body examinations of the most common CT protocols. Acquisitions were included following an image quality...

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Bibliographic Details
Published in:European journal of radiology 2023-06, Vol.163, p.110804-110804, Article 110804
Main Authors: De Monte, Francesca, Sapignoli, Sonia, Laura Cortinovis, Anna, Di Maggio, Antonio, Nardin, Margherita, Pizzirani, Enrico, Scagliori, Elena, Volpe, Alessandro, Paiusco, Marta, Roggio, Antonella
Format: Article
Language:English
Subjects:
Adult
Body Size
Confusion matrix
CT dose index
Diagnostic Reference Level
Humans
Radiation Dosage
Radiation dose tracking system
Reference Values
Tomography, X-Ray Computed - methods
Water
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Summary:To establish size-dependent DRL and to estimate the effectiveness of the size-dependent DRLs over size-independent DRLs for a CT exposure optimization process. The study included 16,933 adult CT body examinations of the most common CT protocols. Acquisitions were included following an image quality assessment. Patients were grouped into five different classes by means of the water equivalent diameter (Dw): 21 ≤ Dw 
ISSN:0720-048X
1872-7727
DOI:10.1016/j.ejrad.2023.110804