2011 Fiscal Year Final Research Report
Dose calculation system using in-treatment cone-beam CT for adaptive radiation therapy
| Project/Area Number |
22791176
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Radiation science
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| Research Institution | The University of Tokyo |
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Principal Investigator |
HAGA Akihiro 東京大学, 医学部附属病院, 助教 (30448021)
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| Project Period (FY) |
2010 – 2011
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| Keywords | 強度変調放射線治療 / VMAT / コーンビームCT / Deformable registration / 高精度放射線治療 / 経時的最適化 / Adaptive radiotherapy / 臓器の動き |
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| Research Abstract |
In this research, I developed a four dimensional(4D) cone-beam CT(CBCT) during course of treatment and during treatment by using linac-mounted diagnostic kV X-ray, which corresponds to time-dependent variation of the irradiated cites. With the 4D CBCT, I established the system to verify a cumulative dose distribution in a patient by introducing non-rigid registration(deformable image registration). Through this study, the method to estimate an irradiation accompanied by CBCT imaging and the image processing automation were developed.
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[Journal Article] Four-dimensional measurement of thedisplacement of internal fiducial and skinmarkers during 320-multislice computed tomography scanning of breast cancer
Author(s)
H. Yamashita, K. Ohkuma, K. Tada, K. Shiraishi, W. Takahashi, S. Shibata, A. Sakumi, N. Saotome, A. Haga, et al.
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Journal Title
International Journal of Radiation Oncology, Biology, to be published
Peer Reviewed
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