The use of inhomogeneity corrections for inverse planned IMRT /

Boudreau, Chantal

Publication date

January 2004

Publisher

McGill University

Abstract

In this thesis, the use of inhomogeneity corrections in intensity modulated radiotherapy (IMRT) inverse treatment planning is investigated. Firstly, the dosimetric consequences of CT beam hardening artifacts present on images used for treatment planning are estimated and found to be of little clinical significance (<1% dose difference). Secondly, experiments to evaluate the PEREGRINE Monte Carlo system (Nomos, Cranberry, PA) are undertaken for a 6 MV photon beam. The use of inhomogeneity corrections in clinical treatment planning is assessed for five clinical head and neck cancer cases. The cases are planned with the CORVUS optimization module and the dose distributions are then calculated with CORVUS and PEREGRINE in order to comp...

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The use of inhomogeneity corrections for inverse planned IMRT /

Abstract

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The use of inhomogeneity corrections for inverse planned IMRT /

Abstract

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