Journal of Medical Physics
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Year : 2019  |  Volume : 44  |  Issue : 1  |  Page : 35-38

Effective dose display system in gastric cancer X-ray screening

1 Department of Radiology, Osaka Center for Cancer and Cardiovascular Disease Prevention, Osaka, Japan
2 Department of Nursing, Senrikinran University, Suita, Japan
3 Graduate School of Health Sciences, Okayama University, Okayama, Japan
4 Department of Radiology, Butsuryo College of Osaka, Sakai, Osaka, Japan
5 Department of Health Sciences, Osaka Kyoiku University, Kashiwara, Japan

Correspondence Address:
Mr. Kenyu Yamamoto
Department of Radiology, Osaka Center for Cancer and Cardiovascular Disease Prevention, 1-6-107, Morinomiya, Joto-ku, Osaka 536-8588
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmp.JMP_78_18

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Purpose: The purpose of this study is to build a system for effective dose display immediately after the gastric cancer X-ray screening. Materials and Methods: The regression equation of effective dose and dose area product (DAP) was introduced from the data of 500 persons including DAP and effective dose calculated using program for X-ray Monte Carlo. Results: The effective dose was 5.39 mSv of median, 1.18 mSv of minimum, and 38.38 mSv of maximum. The regression equation was Y=0.354+0.0003772X (Y: effective dose, mSv, X: DAP, mGy cm2). Using the regression equation, the effective dose can be estimated from DAP and displayed just after the individual screening. Conclusions: “Effective dose display system” was constructed to display effective dose immediately after gastric cancer X-ray screening. This system is on the way to be reformed by improving the regression equation on larger data.

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