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KMID : 1164220040160010011
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Journal of Korean Society for Radiotherapeutic Technology
2004 Volume.16 No. 1 p.11 ~ p.19
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Verification of set-up accuracy using MLC leakage
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Yoon In-Ha
Hong Dong-Ki
Seo Dong-Rin
Yoon Hwa-Ryong
Kim Jeong-Man
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Abstract
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Purpose : Verification within 5mm is one of the important QA process of IMRP and SRS. Therefore, we improve accuracy of patients set-up using scale point.
Materials and Methods : We compare MLC scale pointer with customerized port film graticule for patients who was underwent IMRT and SRS.
Results : Scale pointer using MLC showed accurate location of patients landmark including divergency of beam, and any point of patient could be certified by means of cross of MLC.
Conclusion : MLC scale pointer is effective and convenient method in verification of patients set-up using L-gram.
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KEYWORD
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