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Analysis of the Dosimetric Characteristics of Normoxic Polymer Gel by Magnetic Resonance Images
- Authors
- Cho, Sam Ju; Shim, Su Jung; Kim, Chul Yong; Yang, Dae Sik; Park, Young Je; Lee, Suk; Lee, Sang Hoon; Lim, Sangwook; Cho, Kwang Hwan; Choi, Jin Ho; Lee, Rena
- Issue Date
- Mar-2010
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Normoxic polymer gel; Three-dimensional dosimetry; Dosimetric characteristics; Magnetic resonance images; Radiotherapy
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.56, no.3, pp.874 - 879
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 56
- Number
- 3
- Start Page
- 874
- End Page
- 879
- ISSN
- 0374-4884
- Abstract
- A new type of polymer gel that eliminates the oxygen chemically instead of using complicated facilities was recently introduced. This study utilized a polymer gel fabricated in a laboratory as a reliable dosimeter for measuring therapeutic radiation. Studies on the optimal MR scan conditions was conducted. The reproducibility, the accuracy, and the dose rate dependency of the normoxic polymer gel dosimeter were evaluated. The relative dose uncertainty and the relative dose resolution of the polymer gel were also evaluated by scanning it under optimal MR scan conditions. The R2 calculated by using echo time (TE) of 20, 40, 60 80, and 100 ms versus dose was linear for 12 similar to 20 Gy. The polymer gel composed in this study can be used as a reliable dosimeter if it is scanned under optimal MR, scan conditions.
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Related Researcher
- Kim, Chul Yong
- College of Medicine (Department of Medical Science)