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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국의학물리학회 의학물리 의학물리 제29권 제4호
- 발행연도
- 2018.12
- 수록면
- 106 - 114 (9page)
- DOI
- https://doi.org/10.14316/pmp.2018.29.4.106
이용수
초록· 키워드
오류제보하기
This study aimed to compare the performance of previous optimization algorithms against new a photon optimizer (PO) algorithm for intensity-modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) plans for prostate cancer. Eighteen patients with prostate cancer were retrospectively selected and planned to receive 78 Gy in 39 fractions of the planning target volume (PTV). All plans for each patient optimized with the dose volume optimizer (DVO) and progressive resolution optimizer (PRO) algorithms for IMRT and VMAT were compared against plans optimized with the PO within Eclipse version 13.7. No interactive action was performed during optimization. Dosimetric and radiobiological indices for the PTV and organs at risk were analyzed. The monitor units (MU) per plan were recorded. Based on the plan quality for the target coverage, prostate IMRT and VMAT plans using the PO showed an improvement over DVO and PRO. In addition, the PO generally showed improvement in the tumor control probability for the PTV and normal tissue control probability for the rectum. From a technical perspective, the PO generated IMRT treatment plans with fewer MUs than DVO, whereas it produced slightly more MUs in the VMAT plan, compared with PRO. The PO showed over potentiality of DVO and PRO whenever available, although it led to more MUs in VMAT than PRO. Therefore, the PO has become the preferred choice for planning prostate IMRT and VMAT at our institution.
목차
등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
조병철 / 2018 / Intensity-modulated radiation therapy: a review with a physics perspective / Radiation oncology journal 36(1):1~10
Censor Y / 2003 / Mathematical optimization for the inverse problem of intensity modulated radiation therapy the state of the art / AAPM Med Phys Publishing :25~49
Cassioli A / 2013 / Aperture shape optimization for IMRT treatment planning / Phys Med Biol 58:301~318
최규혜 / 2018 / Dosimetric comparison between modulated arc therapy and static intensity modulated radiotherapy in thoracic esophageal cancer: a single institutional experience / Radiation oncology journal 36(1):63~70
Liu H / 2018 / Comparison of the progressive resolution optimizer and photon optimizer in VMAT optimization for stereotactic treatments / J App Clin Med Phys 19(4):155~162
Censor Y / 2003 / Mathematical optimization for the inverse problem of intensity modulated radiation therapy the state of the art / AAPM Med Phys Publishing :25~49
Cassioli A / 2013 / Aperture shape optimization for IMRT treatment planning / Phys Med Biol 58:301~318
최규혜 / 2018 / Dosimetric comparison between modulated arc therapy and static intensity modulated radiotherapy in thoracic esophageal cancer: a single institutional experience / Radiation oncology journal 36(1):63~70
Liu H / 2018 / Comparison of the progressive resolution optimizer and photon optimizer in VMAT optimization for stereotactic treatments / J App Clin Med Phys 19(4):155~162
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