Polish Journal of Radiology

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Current Volume 79, 2014

Published: 2014-04-14

Distribution of the radiation dose in multislice computer tomography of the chest – phantom study

Tomasz Gorycki, Kamil Kamiński, Michał Studniarek, Przemysław Szlęzak, Agnieszka Szumska

Pol J Radiol 2014;79:75-78

DOI: 10.12659/PJR.889951

Background: The most commonly used form of reporting doses in multislice computed tomography involves a CT dose index per slice and dose-length product for the whole series. The purpose of this study was to analyze the actual dose distribution in routine chest CT examination protocols using an antropomorphic phantom.
Material and Methods: We included in the analysis readings from a phantom filled with thermoluminescent detectors (Art Phantom Canberra) during routine chest CT examinations (64 MDCT TK LIGHT SPEED GE Medical System) performed using three protocols: low-dose, helical and angio-CT.
Results: Mean dose values (mSv) reported from anterior parts of the phantom sections in low-dose/helical/angio-CT protocols were as follows: 3.74; 16.95; 30.17; from central parts: 3.18; 14.15; 26.71; from posterior...

Keywords: low dose CT, Radiation safety, Radiation Protection, computed tomography (CT), chest CT, lung CT


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