Evaluation of angular dependence of radiation dose from seeds source for radio-pharmacy by using absolute measurement technique
| Project/Area Number |
20560051
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Applied physics, general
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| Research Institution | National Institute of Advanced Industrial Science and Technology |
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Principal Investigator |
YUNOKI Akira National Institute of Advanced Industrial Science and Technology, 計測標準研究部門, 室長 (10415763)
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| Research Collaborator |
UNNO Yasuhiro 独立行政法人産業技術総合研究所, 計測標準研究部門, 研究員 (90462837)
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2009: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | 前立腺がん / 放射線治療 / 密封小線源 / ヨウ素125 / 角度依存性 / 大容量自由空気電離箱 / 軟X線検出器 / 放射 / 線量角度分布 / 線量絶対測定 / 医療用密封小線源 / 低エネルギー光子 / 軟エックス線 / 線源回転装置 / 放射線 / 低エネルギーガンマ線 / 線源支持構造物 |
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| Research Abstract |
I-125 brachytherapy sources are widely used for treatment of prostate cancer. It is necessary to investigate the dose angular dependence of the source for purpose of quality control. We assembled a large volume free air chamber and conducted angular distributions of the source with unique jig which enabled us to rotate the source in 3-dimension. We evaluated correction factor and measurement uncertainty. It shows that we measured accurate distributions.
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Report
(4 results)
Research Products
(14 results)
