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논문 기본 정보

자료유형
학술저널
저자정보
Chang Gyu Kim (Gimcheon University)
저널정보
한국자기학회 Journal of Magnetics Journal of Magnetics Vol.28 No.4
발행연도
2023.12
수록면
420 - 426 (7page)
DOI
10.4283/JMAG.2023.28.4.420

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초록· 키워드

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The use of CT scans, which possess optimal advantages for diagnosing diseases in the human body, has been increasing annually, serving as a source of increasing patient radiation doses. This study sought to provide foundational data useful for designing radiation shielding walls in CT examination rooms by measuring and analyzing radiation doses for the derivation of use factors in MDCT and Mobile CT examination rooms. The average cumulative radiation dose measured over three months using a glass dosimeter immediately before penetrating the patient viewing window in the MDCT examination room was 100.9 ± 2.93 mSv; with 107.7 ± 5.03 mSv in the ceiling direction, 105.6 ± 4.13 mSv in the wall direction, and 114.2 ± 3.78 mSv in the floor direction. In the Mobile CT examination room, the values were 0.35 ± 0.03 mSv; with 0.51 ± 0.02 mSv in the ceiling direction, 0.52 ± 0.02 mSv in the wall direction, and 0.55 ± 0.03 in the floor direction. Evaluations of image quality from different CT devices showed very satisfactory results in contrast, clarity of boundaries, and lesion detection rates. In terms of image satisfaction against exposure dose, Mobile CT showed more satisfactory results than MDCT. The results of this study are expected to provide information for a more secure and efficient system in medical radiation safety management.

목차

1. Introduction
2. Subjects and Methods
3. Research Results and Discussion
4. Conclusions
References

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