Development of dosimetry for brachytherapy? toward improvement of precision by regression of Monte Carlo simulation to in-vivo measurement

点击翻译按钮获取中文摘要

A dose measurement method for I^<125> X-ray was validated using glass rod dosimeters. A dosimetry using calculations was also validated, in which the source strength was corrected based on its regression to the measured dose. As a calculation method for this purpose, the combination of the code "EGS5" and the source structure to be input was verified by comparison to the measured values. The dosimetry method still needs improvement in accuracy, however, the validated calculation method is applicable to analyzing the dosimetric properties of the sources. Also, the validated measurement method is applicable to develop this dosimetry for other type of the sources. The research is still ongoing. Furthermore, the real-time estimation of the strength of the source being implanted was demonstrated as to its feasibility.