Development of a QAsystem for intensity-modulated radiation therapy based on Month Carlo dose calculation
Project/Area Number |
17390333
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Radiation science
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Research Institution | Kyoto University |
Principal Investigator |
MIZOWAKI Takashi Kyoto University, Dept of Radiation Oncology eir Image-applied Therapy, Lactiner (90314210)
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Co-Investigator(Kenkyū-buntansha) |
HORAOKA Masahiro Kyoto University, Dept of Radiation Oncology & Image-applied Therapy, Professor (70173218)
NARITA Yuichiro Kyoto University, Dept of Radiation Oncology & Image-applied Therany, Associate Professor (30311385)
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Project Period (FY) |
2005 – 2007
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Project Status |
Completed (Fiscal Year 2007)
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Budget Amount *help |
¥14,710,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥810,000)
Fiscal Year 2007: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2006: ¥2,700,000 (Direct Cost: ¥2,700,000)
Fiscal Year 2005: ¥8,500,000 (Direct Cost: ¥8,500,000)
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Keywords | Medicine / Radiation / Radiotherapy / Month Carlo method / Dose calculation / 線量分布計算 / 放射線治療計画 / 品質保証 |
Research Abstract |
MCRTV (Monte Carlo for Radiotherapy Treatment Plan Verification) system, which is composed of 28-CPU Linux Cluster system and originally developed dose calculation algorithm for Month Carlo method (MC), was developed. Models of the head of a linear accelerator (Clinac 2300/CD, Varian Co.), multileaf collimator (Mark II 80-leaf system, Varian Co.) and body/phantom for MC dose calculation were originally written using the EGS4/PRESTA MC code. The system is also compatible with dose calculations for dynamic multileaf collimator (DMLC) intensity-modulated radiotherapy (IMRT). Dose calculation speed was optimized enough to use in routine clinical course using parallel computation technique. Calculation results by MCRTV were well accorded with the results of chamber measurements in which only 1-2 % discrepancies were detected in static conditions for both homogeneous and inhomogeneous phantoms. In addition, discrepancies between calculations by MCRTV and chamber measurements were also within 1% for DMLC-IMRT conditions. In additional validation using film measurements, differences between calculations and measurements with respect to clinical DMLC-IMRT plans for prostate cancer were generally less than 2%.
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Report
(4 results)
Research Products
(44 results)
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[Journal Article] Development of a three-dimensionally movable phantom system for dosimetric verifications2008
Author(s)
Nakayama, H., Mizowaki, T., Narita, Y., Kawada, N., Takahashi, K., Mihara, K., Hiraoka, M
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Journal Title
Ned. Phys 35(5)(in press)
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] An integrated Month Carlo dosimetric verification system for radiotherapy treatment planning2007
Author(s)
Yamamoto, T., Mizowaki, T., Miyabe, Y., Takegawa, H., Narita, Y., Yano, S., Nagata, Y., Teshima, T., Hiraoka, M
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Journal Title
Phys Med Biol 52
Pages: 1991-2008
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] Impact of optimization algorithms on the intensity map in IMRT treatment planning2006
Author(s)
Shimada, M., Nakamura, M., Miyabe, Y., Yamamoto, T., Teshima, T., Narita, Y., Mizowaki, T., Nagata, Y., Hiraoka, M
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Journal Title
Igaku Butsuri 26
Pages: 97-107
NAID
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Intensity-modulated radiation therapy (IMRT) for prostate cancer2007
Author(s)
Mizowaki, T., Takayama, K., Norihisa, Y., Hiraoka, M., Kamoto, T., Nakamura, E., Ogawa, O
Organizer
95th Annual Meeting of Japanese Society of Urology
Place of Presentation
Kobe
Year and Date
2007-04-14
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Validations of a model of a multileaf collimator by Monte Carlo simulation2007
Author(s)
Ishihara, Y.,Yamamoto, T.,Miyabe, Y.,Mizowaki, T.,Narita, Y., Yano, S., Nagata, Y., Teshima, M., Hiraoka, M
Organizer
20th Annual Meeting of Japanese Society for Therapeutic Radiology and Oncology
Place of Presentation
Fukuoka
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Speeding up of Monte Carlo dose calculation by a PC Cluster system2006
Author(s)
Yamamoto, T., Mizowaki, T., Takegawa, H., Miyabe, Y., Teshima, M., Yano, S., Narita, Y., Nagata, Y., Hiraoka, M
Organizer
91th Scientific Meeting of Japan Society of Medical Physics
Place of Presentation
Yokohama
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Benchmarks of a Monte Carlo dose verification system for radiotherapy treatment planning2006
Author(s)
T., Yamamoto, Y., Miyabe, H., Takegawa, T., Mizowaki, Y., Narita, Y., Nagata, S., Yano, T., Teshima, M., Hiraoka
Organizer
First European Workshop on Monte Carlo Treatment Planning of the European Workgroup on MCTP Ghent University Het Pand
Place of Presentation
Ghent, Belgium
Description
「研究成果報告書概要(欧文)」より
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[Presentation] integrated dose evaluation system by Monte Carlo simulation for radiotherapy treatment planning2006
Author(s)
Yamamoto, T.,Miyabe, Y., Takegawa, H., Mizawaki, T.,Narita, Y., Yano, S., Nagata, Y., Teshima, M., Hiraoka, M., A
Organizer
19th Annual Meeting of Japanese Society for Therapeutic Radiology and Oncology
Place of Presentation
sendai
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Experimental verifications of the impact of internal organ motion to the dose distribution2006
Author(s)
Mari, S., Miyabe, Y., Narita, Y., Nakayama, H., Mizowaki,T., Takayama, K., Norihisa, Y., Teshima, M., Hiraoka, M
Organizer
19th Annual Meeting of Japanese Society for Therapeutic Radiology and Oncology
Place of Presentation
sendai
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Verifications of the accuracy of 3D movable phantom system for the evaluation of dose distribution within the body2006
Author(s)
Nakayama, H., Narita, Y., Mizowaki, T., Kawada, N., Miyabe, Y., Matsugi, K., Nakamura, M., Takayama, K., Hiraoka, M
Organizer
19th Annual Meeting of Japanese Society for Therapeutic Radiology and Oncology
Place of Presentation
sendai
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Current status and problems of IMRT at Kyoto University - comparisons to USA2005
Author(s)
Mizowaki, T., Nagata, Y., Yano, S., Okada, T., Yamamoto, T., Narita, Y., Takayama, K., Norihisa, Y., Matsuo, Y., Sakamoto, M., Hiraoka, M
Organizer
12th Semiannual Meeting of Japan 3-D Conformal External Beam Radiotherapy Group
Place of Presentation
Osaka
Year and Date
2005-09-02
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Speeding up of Monte Carlo dose calculation by parallel computation2005
Author(s)
Takegawa, H., Yamamoto, T., Yano,S., Teshima, M., Kunugi, T., Mizowaki, T., Nagata, Y., Hiraoka, M
Organizer
61th Scientific meeting of Japanese Society of Radiological Technology
Place of Presentation
Yokohama
Description
「研究成果報告書概要(欧文)」より
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[Presentation] Effects of incident photon beam model for Monte Carlo dose calculation2005
Author(s)
Yamamoto, T., Yano, S., Teshima, M., Mizowaki, T., Nagata, Y., Hiraoka, M
Organizer
61th Scientific meeting of Japanese Society of Radiological Technology
Place of Presentation
Yokohama
Description
「研究成果報告書概要(欧文)」より
Related Report
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[Presentation] Dose verification for prostate IMRT plans by Monte Carlo dose calculation2005
Author(s)
Miyabe, Y., Yamamoto, T.,Yano, S.,Teshima, M.,Matsumoto, M., Mizowaki, T., Nagata, Y., Hiraoka, M
Organizer
61th Scientific meeting of Japanese Society of Radiological Technology
Place of Presentation
Yokohama
Description
「研究成果報告書概要(欧文)」より
Related Report
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[Presentation] Introduction of Monte Carlo dose calculation in IMRT treatment planning2005
Author(s)
Miyabe, Y., Yamamoto, T.,Yano, S., Matsumoto, M., Teshima, M., Mizowaki, T., Nagata, Y., Hiraoka, M
Organizer
89th Scientific Meeting of Japan Society of Medical Physics
Place of Presentation
Yokohama
Description
「研究成果報告書概要(欧文)」より
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