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X ray tech radiation exposure11/19/2023 ![]() ![]() As a result the population radiation burden is high. Because of the technological advancement added to the clear benefit to the examined individuals, the frequency of CT examinations is increasing worldwide and the types of examination using CT are also becoming more numerous. In UK, CT was reported to contribute to 47% of the collective dose from diagnostic radiology, but representing only 9% of all X-ray examinations. The United Nation Scientific Committee on Effect of Atomic Radiation (UNSCEAR) reported that on average for countries in Health-care level I, CT represents 6% of all diagnostic medical x-ray examinations but accounts for 41% of the total population radiation dose. Radiation protection in computed tomography (CT) deserves special attention since CT is by far the largest contributor to patient radiation exposure in diagnostic radiology. Radiation protection, Computed tomography, Dose optimization strategies Current review provides updated radiation protection measures for minimizing patient radiation dose in CT without adversely affecting the quality of diagnostic information. CT users are strongly encouraged to take advantage of these dose reduction techniques while maintaining diagnostic image quality. Patient dose reduction of 40-60%, 50%, 20-30%, 20-40%, 30-50% can be achieved using tube current modulation, beam filters, thyroid and breast shields, low tube voltage for abdominal CT, automatic pitch adaptation respectively. Radiation protection in CT requires regular dose surveys and optimization of CT exposure parameters, establishing and/or implementing diagnostic references (DRLs), implementation of a comprehensive quality assurance program, reference dose levels, and CT dose saving protocols. The aim of this study was to evaluate radiation protection techniques in computed tomography (CT) scanning, address concerns on the increased population exposure during CT procedures, and provide a review on dose management and optimization procedures. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Int J Radiol Imaging Technol 2:016.Ĭopyright: © 2016 Alsafi KG. Received: MaAccepted: JPublished: July 18, 2016Ĭitation: Alsafi KG (2016) Radiation Protection in X-Ray Computed Tomography: Literature Review. Box 80215, Jaddah 21589, Saudi Arabia, E-mail: J Radiol Imaging Technol, IJRIT-2-016, (Volume 2, Issue 2), Review Article Khalid G Alsafi, Department of Radiology, Medical Physics Unit, King Abdul Aziz University, P.O. ![]()
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