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http://dx.doi.org/10.17946/JRST.2019.42.2.131

Evaluation of Absorbed Dose According to Nanoparticle Density During the Breast Cancer Brachytherapy  

Lee, Deuk-Hee (Department of Radiation Oncology, Busan Paik Hospital, Inje University)
Nam, Ji-Hee (Department of Radiology, Busan Paik Hospital, Inje University)
Kim, Jung-Hoon (Department of Radiological Science, College of Health Sciences, Catholic University of Pusan)
Publication Information
Journal of radiological science and technology / v.42, no.2, 2019 , pp. 131-135 More about this Journal
Abstract
The purpose of this study was to evaluate the efficacy of brachytherapy of breast cancer by dose assessment which a steady increased in Korea women. The dose assessment was performed using the MCNPX program, a MonteCarlo simulation technique. The sources used for brachytherapy was 192Ir. And nanoparticle which used for dose enhancement was gold. The density of nanoparticle was 7, 18 and 30 mg. Evaluation of absorbed dose according to distance is measured at a distance of 30, 50, 100 and 200 cm from the patient. As a result, The breast absorbed dose results increased in proportion to the density of nanoparticle. And the surrounding organs were not significantly different according to the density. But, in some organs, the absorbed dose decreased as the density of nanoparticles increased. Absorbed dose according to the distance was in inverse proportion to distance.
Keywords
Breast cancer; Brachytherapy; Density of nanoparticle; Monte Carlo; MCNPX;
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