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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Hyun-Soo (Department of Radiological Technology, Shingu University) Min, Jung-Whan (Department of Radiological Technology, Shingu University) Dong, Kyung-Rae (Department of Radiological Technology, Gwangju Health College University)
저널정보
대한디지털의료영상학회 대한디지털의료영상학회논문지 대한디지털의료영상학회논문지 제13권 제4호
발행연도
2011.1
수록면
145 - 151 (7page)

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초록· 키워드

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The purpose of this study is to know some changes of resolution and image if we remove scattered ray using lead plate when doing lumbar lateral projection. Using 3 DR system(2 FD types, 1 CCD type) equipments and 2 film system equipments, we gain the image whether the phantom of abdomen equivalent sticking resolution chart has lead plate or not, whether we do collimation or not. Also, we use ion chamber, measure radiation exposure rate and change to entrance surface dose from it. we gain that images in the greatest condition of taking in clinic. 5 people in this group decoded resolution with our eyes, measured thickness of images and compared them from each equiments. Resolution has difference to size of collimation in DR FD type. Also there is no difference the original image with the new image which we abbreviated mAs. In DR CCD type, resolution didn't have difference whether lead plate is or not and whether we do collimation or not. In film type, existing or nonexisting of lead plate didn't influence on resolution. Lead plate makes the quality of image higher due to reducing scattered ray, it doesn't influence on resolution.

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