| Chang Sheng,Li Guangjun,Bai Sen.Development of the independent dose verification for treatment planning system in radiotherapy[J].Chinese Journal of Radiological Medicine and Protection,2016,36(10):790-796 |
| Development of the independent dose verification for treatment planning system in radiotherapy |
| Received:May 30, 2016 |
| DOI：10.3760/cma.j.issn.0254-5098.2016.10.016 |
| KeyWords:IMRT Independent dose verification Monte Carlo Convolution Patient specific quality assurance |
| FundProject:四川省科技计划项目（2016JY0072） |
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| Abstract:: |
| With the rapid development of intensity modulated radiation therapy (IMRT) technique, the accuracy of radiotherapy has improved, while the pretreatment dose verification has become more complex. Although the experimental measurements, a widely used way to perform dose verification, is accurate and effective, its time-consuming and labor-intensive is still a challenge for physicist. The independent dose verification method such as the depth dose-off axis ratios (OAR) empirical model, Clarkson integral model, convolution model and Monte Carlo model, could partially solve these problems effectively when the accuracy is ensured within a certain range. This approach could save physicists' time to conduct dose recalculation and plan check, and has become the hotspot in the world. This paper, therefore, mainly introduces the correction-based and the model-based independent dose verification methods, and briefly discusses the development of dose verification for IMRT plans. |
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