Assessment of Effective Dose by Indirect Method for Some CT Examinations in Medical Imaging Department
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Research Paper | Radiological Sciences | Saudi Arabia | Volume 9 Issue 2, February 2020

Assessment of Effective Dose by Indirect Method for Some CT Examinations in Medical Imaging Department

T. M. Taha, R. A. Kutbi

Purpose to assess the radiation doses, diagnostic reference level, dose length product (DLP) and effective doses for CT examinations in one of medical imaging department in Jeddah, SA. Materials and Methods. Dose diagnostic reference levels are calculated as the third quartile value of the distribution of the dose descriptors observed in patient dose surveys. Effective doses (E) for brain, sinuses and abdomen CT examination are estimated using DLP dose conversion Coefficients. Results The mean DRL (mGy), DLP (mGy. cm) and effective doses for brain, sinuses and abdomen examination are compared to surveys from international countries for 96 patients from king Abdullah medical complex, Jeddah. The mean (minimum-maximum) radiation doses were, as follows: for Brain examinations 49 (32-58) mGy, 508 (276-1133) mGy. cm and 1.17 mSv, respectively; for Sinuses examinations 3.5 (1.4-4) mGy, 89 (29-85) mGy. cm and 0.21 mSv, respectively and for Abdomen examinations 14 (7-10) mGy, 807 (263-1960) mGy. cm and 12.11 mSv, respectively. These results are compared with diagnostic reference dose levels the European Commission are within diagnostic reference levels. Conclusion CT in the mentioned hospital in Saudi Arabia associated with relatively low radiation doses in third quartile, 75 % of the patients size due to use radiation dose reduction software.

Keywords: Computed tomography, diagnostic reference dose levels, length product, Effective doses

Edition: Volume 9 Issue 2, February 2020

Pages: 457 - 459

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How to Cite this Article?

T. M. Taha, R. A. Kutbi, "Assessment of Effective Dose by Indirect Method for Some CT Examinations in Medical Imaging Department", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SR20203044020, Volume 9 Issue 2, February 2020, 457 - 459

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