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Computed Tomography Radiation Dosimetry: From the Indicators to the Indications

Kordolaimi, Sofia D. MSc; Efstathopoulos, Efstathios P. PhD

Journal of Computer Assisted Tomography: November/December 2014 - Volume 38 - Issue 6 - p 807–814
doi: 10.1097/RCT.0000000000000134
CT Physics and Technology
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The technological advances in computed tomography (CT) scanners and their continuously increased use have raised concern about the patient-induced risks from the CT procedures. In the present review, all available dose metrics used in CT dosimetry are described, evaluated, and compared. The various models and methodologies currently existing for the estimation of the effective dose and, by extension, the carcinogenesis probability as well as the way that this is derived from dose descriptors are also considered.

From the 2nd Department of Radiology, Medical School, University of Athens, Athens, Greece.

Received for publication March 28, 2014; accepted June 9, 2014.

Reprints: Efstathios P. Efstathopoulos, PhD, 2nd Department of Radiology, Medical School, University of Athens, 1 Rimini Str, 124 62 Haidari, Athens, Greece (e-mail: stathise@med.uoa.gr).

The authors declare no conflict of interest.

© 2014 by Lippincott Williams & Wilkins