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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국의학물리학회 의학물리 의학물리 제29권 제2호
- 발행연도
- 2018.6
- 수록면
- 47 - 52 (6page)
- DOI
- https://doi.org/10.14316/pmp.2018.29.2.47
이용수
초록· 키워드
오류제보하기
To investigate the effect of low magnetic field on dose distribution in SABR plans for liver cancer, we calculated and evaluated the dose distribution to each organ with and without magnetic fields. Ten patients received a 50 Gy dose in five fractions using the ViewRay? treatment planning system. For planning target volume (PTV), the results were analyzed in the point minimum (Dmin), maximum (Dmax), mean dose (Dmean) and volume receiving at least 90% (V90%), 95% (V95%), and 100% (V100%) of the prescription dose, respectively. For organs at risk (OARs), the duodenum and stomach were analyzed with D0.5cc and D2cc, and the remained liver except for PTV was analyzed with Dmean, Dmax, and Dmin. Both inner and outer shells were analyzed with the point Dmin, Dmax, and Dmean, respectively. For PTV, the maximum change in volume due to the presence or absence of the low magnetic field showed a percentage difference of up to 0.67±0.60%. In OAR analysis, there is no significant difference for the magnetic field. In both shell structure analyses, although there are no major changes in dose distribution, the largest value of deviation for Dmax in the outer shell is 2.12±2.67 Gy. The effect of low magnetic field on dose distribution by a Co-60 beam was not significantly observed within the body, but the dose deposition was only appreciable outside the body.
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참고문헌 (16)
참고문헌 신청
Torre LA / 2015 / Global cancer statistics, 2012 / CA : a cancer journal for clinicians 65(2):87~108
Huang K / 2012 / Radiographic changes after lung stereotactic ablative radiotherapy(SABR)-can we distinguish recurrence from fibrosis? A systematic review of the literature / Radiotherapy and Oncology 102(3):335~342
Finkelstein SE / 2011 / The confluence of stereotactic ablative radiotherapy and tumor immunology / Clinical and Developmental Immunology
Myrehaug S / 2016 / Stereotactic body radiotherapy for pancreatic cancer : recent progress and future directions / Expert review of anticancer therapy 16(5):523~530
Pidikiti R / 2011 / Dosimetric characterization of an image-guided stereotactic small animal irradiator / Physics in Medicine & Biology 56(8):2585
Huang K / 2012 / Radiographic changes after lung stereotactic ablative radiotherapy(SABR)-can we distinguish recurrence from fibrosis? A systematic review of the literature / Radiotherapy and Oncology 102(3):335~342
Finkelstein SE / 2011 / The confluence of stereotactic ablative radiotherapy and tumor immunology / Clinical and Developmental Immunology
Myrehaug S / 2016 / Stereotactic body radiotherapy for pancreatic cancer : recent progress and future directions / Expert review of anticancer therapy 16(5):523~530
Pidikiti R / 2011 / Dosimetric characterization of an image-guided stereotactic small animal irradiator / Physics in Medicine & Biology 56(8):2585
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