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| Quality Assurance and Application of Electron Portal Imaging Device |
| CHENG Yang-sheng1, ZENG Zi-li2 |
| Department of Oncology, Liuzhou Municipal Liutie Central Hospital, Liuzhou 545006 China |
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Abstract Objective Inorder to make readers clear what the quality assurance of Electron Portal Imaging Device (EPID) is and how to make sure quality control. The quality assurance of EPID and the quality control were described in detail; To guarantee patients obtain accurate radiotherapy, we use EPID in the process of radiotherapy. Methods We introduce the quality assurance of EPID and the method of quality control thoroughly via the position setting of EPID, the verification of EPID system collection, the selection and verification of dose measurement method, and the verification of IsoCal option. On the other side, we introduce the application of EPID in radiotheraopy by position verification, dose verification and conventional quality assurance. Results Readers can understand how to conduct EPID quality assurance and quality control; And how to use EPID to verify patient's position, to verify dose measurement and to do the regular quality assurance work. Conclusion completely understand the quality assurance of EPID and the method of quality control. Strict quality assurance measures can make full use of the function of EPID. By the use of EPID in radiotherapy, we can ensure that pateints gain precise treatments.
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Received: 07 July 2016
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