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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국의학물리학회 의학물리 의학물리 제32권 제4호
- 발행연도
- 2021.12
- 수록면
- 107 - 115 (9page)
- DOI
- 10.14316/pmp.2021.32.4.107
이용수
초록· 키워드
오류제보하기
Purpose: The purpose of this study was to compare the clinical quality assurance results of portal dosimetry using an electronic portal imaging device, a method that is extensively used for patient- specific quality assurance, and the newly released Mobius3D for intensity-modulated radiotherapy (IMRT) and volumetric modulated arc therapy (VMAT).
Methods: This retrospective study includes data from 122 patients who underwent IMRT and VMAT on the Novalis Tx and VitalBeam linear accelerators between April and June 2020. We used a paired t-test to compare portal dosimetry using an electronic portal imaging device and the average gamma passing rates of MobiusFX using log files regenerated after patient treatment. Results: The average gamma passing rates of portal dosimetry (3%/3 mm) and MobiusFX (5%/3 mm) were 99.43%±1.02% and 99.32%±1.87% in VitalBeam and 97.53%±3.34% and 96.45%±13.94% in Novalis Tx, respectively. Comparison of the gamma passing rate results of portal dosimetry (3%/3 mm) and MobiusFX (5%/3 mm as per the manufacturer’s manual) does not show any statistically significant difference.
Conclusions: Log file-based patient-specific quality assurance, including independent dose calculation, can be appropriately used in clinical practice as a second-check dosimetry, and it is considered comparable with primary quality assurance such as portal dosimetry.
목차
등록된 정보가 없습니다.
참고문헌 (29)
참고문헌 신청
Oh SA / 2020 / Use of a head-tilting baseplate during volumetric-modulated arc therapy(VMAT)to better protect organs at risk in hippocampal sparing whole brain radiotherapy(HS-WBRT) / PLoS One 15:e0232430
오세안 / 2013 / Comparison of IMRT and VMAT Techniques in Spine Stereotactic Radiosurgery with International Spine Radiosurgery Consortium Consensus Guidelines / 의학물리 24(3):145~153
Lee HH / 2020 / Five-year survival outcomes of intensity-modulated radiotherapy with simultaneous integrated boost(IMRT-SIB)using forward IMRT or Tomotherapy for breast cancer / Sci Rep 10:4342
Liu X / 2017 / Dosimetric comparison of helical tomotherapy, VMAT, fixedfield IMRT and 3D-conformal radiotherapy for stage I-II nasal natural killer T-cell lymphoma / Radiat Oncol 12:76
Dapper H / 2018 / Impact of VMAT-IMRT compared to 3D conformal radiotherapy on anal sphincter dose distribution in neoadjuvant chemoradiation of rectal cancer / Radiat Oncol 13:237
오세안 / 2013 / Comparison of IMRT and VMAT Techniques in Spine Stereotactic Radiosurgery with International Spine Radiosurgery Consortium Consensus Guidelines / 의학물리 24(3):145~153
Lee HH / 2020 / Five-year survival outcomes of intensity-modulated radiotherapy with simultaneous integrated boost(IMRT-SIB)using forward IMRT or Tomotherapy for breast cancer / Sci Rep 10:4342
Liu X / 2017 / Dosimetric comparison of helical tomotherapy, VMAT, fixedfield IMRT and 3D-conformal radiotherapy for stage I-II nasal natural killer T-cell lymphoma / Radiat Oncol 12:76
Dapper H / 2018 / Impact of VMAT-IMRT compared to 3D conformal radiotherapy on anal sphincter dose distribution in neoadjuvant chemoradiation of rectal cancer / Radiat Oncol 13:237
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