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Development of light and radiation fields coincidence test toolkit for LINAC quality assurance

Authors
 Se Hyung Lee  ;  Bo-Wi Cheon  ;  Chul Hee Min  ;  Chan Hyeong Kim  ;  Seonghoon Kim  ;  Min Cheol Han 
Citation
 JOURNAL OF THE KOREAN PHYSICAL SOCIETY, Vol.81(4) : 361-367, 2022-08 
Journal Title
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
ISSN
 0374-4884 
Issue Date
2022-08
Keywords
Linear accelerator ; Quality assurance ; Light field ; Radiation field
Abstract
The coincidence of light and radiation fields is an important quality assurance test for accurate beam delivery in a linear accelerator (LINAC), and is recommended to be checked monthly by the American Association of Physicists in Medicine (AAPM). The test-related conventional tools may yield different results, especially without a commercial software, depending on the user, even if the tolerance suggested by the AAPM is very tight. This study was conducted to develop a semiautomatic film analyzer, called FSChecker, for a simple, easy, and consistent quantitative evaluation of the LINAC light and radiation field coincidence, without commercial tools. The FSChecker has two components, a dedicated grid paper and an analyzing software based on MATLAB. Comparing the results obtained from the FSChecker with those of a commercial software revealed that the FSChecker could provide a reasonable and reliable analysis for the coincidence test of light and radiation fields in a LINAC with various scan parameters, including an office-level configuration.
Full Text
https://link.springer.com/article/10.1007/s40042-022-00528-5
DOI
10.1007/s40042-022-00528-5
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers
Yonsei Authors
Han, Min Cheol(한민철)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/189411
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