Abstract
Quality assurance is designed to ensure that radiation is delivered correctly. AAPM TG-40 and TG-142 recommendations set a standard of practice for radiation oncology practices. Machine characteristics are measured on a daily, monthly and annual basis, and compared to tolerance levels (unacceptable in the long term) and action levels (unacceptable at any time). Different devices are used to measure these QA checks. Daily checks can use less precise but less cumbersome instruments, while monthly and annual checks use more precise instruments.
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© 2014 Springer Science+Business Media New York
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Chang, D.S., Lasley, F.D., Das, I.J., Mendonca, M.S., Dynlacht, J.R. (2014). Linac Quality Assurance. In: Basic Radiotherapy Physics and Biology. Springer, Cham. https://doi.org/10.1007/978-3-319-06841-1_13
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DOI: https://doi.org/10.1007/978-3-319-06841-1_13
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