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KMID : 0384620040150010009
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Korean Journal of Medical Physics
2004 Volume.15 No. 1 p.9 ~ p.16
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Quality Assurance of CORVUS Planning System for Intensity Modulated Radiation Therapy
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Kim Sung Kyu
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Abstract
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The intensity modulated radiation therapy (IMRT) is believed to be on of the best treatment techniques for the goal of radiation therapy: to irradiate fatal dose to tumor region while minimizing dose to critical organs. It is essential to have comprehensive quality assurance program to assure the precision and the accuracy of the treatment due to the characteristic of the IMRT. The quality assurance technique for the Corvus treatment planning system was developed and its effectiveness was tested with the treatment planning of H&N region. Acrylic phantom, film and ionization chamber were used for this study, the discrepancy between the treatment planning and the film measurements showed 0.03 ㎝ and 0.28 ㎝ for the 90% of isodose line in each directions. Dose measurements showed 1% and 1.2% differences for ionization chamber and TLD, respectively. This concluded that the system can be used for clinic.
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