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KMID : 0357520240470010013
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Journal of Radiological Science and Technology
2024 Volume.47 No. 1 p.13 ~ p.19
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Evaluation and Analysis of Scattered Radiation Dose according to Factors in General X-ray Examination
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Jung Dong-Kyung
Park Myeong-Hwan
Seo Jeong-Min
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Abstract
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Control of scattered radiation is one of very important factors in the use of medical radiation. In general X-ray exam, the causes, measurement methods, and the kind of detectors of scattered rays within the radiation area are diverse. In this study, the dose of scattered ray was measured by changing the thickness of the polycarbonate phantom and the tube voltage. As a result of measurement of scattered radiation, the results show that the scattered dose significantly(p<.05) increased with growing of thickness of phantom in the tube voltage 40, 50 and 60 kVp(F(p)<.05, R2>64%). As tube volt- age increased at all phantom thicknesses, the scattered dose also significantly(p<.05) increased(F(p)<.05, R2>69%). In cases where a significant correlation was shown, the coefficient of determination of more than 60% was shown in regression analysis. The results of this study can be used as data on scattered radiation dose according to the tube voltage and the object thickness in general X-ray imaging exam.
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KEYWORD
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Rays, Survey Meter, Radiation Protection, Radiation Area, Radiation Safety Management
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