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Updated: Aug 8, 2026
Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
Published on: March 11, 2021
Application of the quality index methodology for dosimetric verification of build-up effect beyond air-tissue
Sandra Caneva1, Miltiadis F Tsiakalos, Sotirios Stathakis
1Medical Physics Department, Institut Curie, Paris, France.
Abstract:
We have designed a simple benchmark test for the user of a treatment planning system to check the calculation algorithm's ability to model the build up effect beyond an air/tissue interface. The expected result is expressed as an inhomogeneity correction factor CF derived from measurements and from Monte Carlo calculations for a full range of photon beam qualities. The linear regression lines obtained from plotting CF as a function of beam quality index form the basis for a quantitative check of the algorithm performance.
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