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Estimating radiation risk induced by CT screening for Korean population

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Abstract

The purposes of this study are to estimate the radiation risks induced by chest/abdomen computed tomography (CT) screening for healthcare and to determine the cancer risk level of the Korean population compared to other populations. We used an ImPACT CT Patient Dosimetry Calculator to compute the organ effective dose induced by CT screening (chest, low-dose chest, abdomen/pelvis, and chest/abdomen/pelvis CT). A risk model was applied using principles based on the BEIR VII Report in order to estimate the lifetime attributable risk (LAR) using the Korean Life Table 2010. In addition, several countries including Hong Kong, the United States (U.S.), and the United Kingdom, were selected for comparison. Herein, each population exposed radiation dose of 100 mSv was classified according to country, gender and age. For each CT screening the total organ effective dose calculated by ImPACT was 6.2, 1.5, 5.2 and 11.4 mSv, respectively. In the case of Korean female LAR, it was similar to Hong Kong female but lower than those of U.S. and U.K. females, except for those in their twenties. The LAR of Korean males was the highest for all types of CT screening. However, the difference of the risk level was negligible because of the quite low value.

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Authors and Affiliations

  1. Department of Radiology, Dong-A University Medical center, Busan, 49201, Korea

    Won Seok Yang

  2. Department of Biomedical Engineering and Research Institute of Biomedical Engineering, College of Medicine, Catholic University of Korea, Seoul, 06591, Korea

    Hye Jeong Yang

  3. Department of Nuclear Applied Engineering, Inje University, Kimhae, 50934, Korea

    Byung In Min

Authors
  1. Won Seok Yang
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  2. Hye Jeong Yang
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  3. Byung In Min
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Correspondence to Byung In Min.

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Yang, W.S., Yang, H.J. & Min, B.I. Estimating radiation risk induced by CT screening for Korean population. Journal of the Korean Physical Society 70, 406–415 (2017). https://doi.org/10.3938/jkps.70.406

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  • DOI: https://doi.org/10.3938/jkps.70.406

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