Experimental verification of a methodology for Monte Carlo modeling of multileaf collimators using the code Geant4

Among the many algorithms developed for evaluation of dose distributions in radiotherapy, the Monte Carlo methods provide more realistic results. In intensity modulated radiation therapy, significant differences in dose distributions within the fields defined by the multileaf collimator (MLC) could...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Alex Cristóvão Holanda de Oliveira [verfasserIn] José Wilson Vieira [verfasserIn] Miriam Zarza Moreno [verfasserIn] Fernando Roberto Andrade Lima [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch ; Portugiesisch

Erschienen:	2018

Schlagwörter:	Radiotherapy Multileaf Collimator Monte Carlo

Übergeordnetes Werk:	In: Brazilian Journal of Radiation Sciences - Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR), 2022, 6(2018), 2
Übergeordnetes Werk:	volume:6 ; year:2018 ; number:2

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.15392/bjrs.v6i2.324

Katalog-ID:	DOAJ083700870

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author	Alex Cristóvão Holanda de Oliveira
spellingShingle	Alex Cristóvão Holanda de Oliveira misc Radiotherapy misc Multileaf Collimator misc Monte Carlo misc Science misc Q Experimental verification of a methodology for Monte Carlo modeling of multileaf collimators using the code Geant4
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topic_title	Experimental verification of a methodology for Monte Carlo modeling of multileaf collimators using the code Geant4 Radiotherapy Multileaf Collimator Monte Carlo
topic	misc Radiotherapy misc Multileaf Collimator misc Monte Carlo misc Science misc Q
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title	Experimental verification of a methodology for Monte Carlo modeling of multileaf collimators using the code Geant4
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title_sort	experimental verification of a methodology for monte carlo modeling of multileaf collimators using the code geant4
title_auth	Experimental verification of a methodology for Monte Carlo modeling of multileaf collimators using the code Geant4
abstract	Among the many algorithms developed for evaluation of dose distributions in radiotherapy, the Monte Carlo methods provide more realistic results. In intensity modulated radiation therapy, significant differences in dose distributions within the fields defined by the multileaf collimator (MLC) could have significant radiobiology effects. Thus, it is important to model thoroughly the MLC to allow more accurate radiotherapy delivery. The objective of this work is to describe and to validate a methodology for modeling of MLCs using code Geant4. The Varian Millennium 120-leaf MLC was modeled using this methodology and it was experimentally verified. The leaves of the MLC were built using three types of solid (G4Box, G4Tubs and G4ExtrudeSolid) and the Boolean operation of subtraction (G4SubtractionSolid). Based on this methodology, it is possible to simulate other Varian MLC models using Geant4 or other MC code.
abstractGer	Among the many algorithms developed for evaluation of dose distributions in radiotherapy, the Monte Carlo methods provide more realistic results. In intensity modulated radiation therapy, significant differences in dose distributions within the fields defined by the multileaf collimator (MLC) could have significant radiobiology effects. Thus, it is important to model thoroughly the MLC to allow more accurate radiotherapy delivery. The objective of this work is to describe and to validate a methodology for modeling of MLCs using code Geant4. The Varian Millennium 120-leaf MLC was modeled using this methodology and it was experimentally verified. The leaves of the MLC were built using three types of solid (G4Box, G4Tubs and G4ExtrudeSolid) and the Boolean operation of subtraction (G4SubtractionSolid). Based on this methodology, it is possible to simulate other Varian MLC models using Geant4 or other MC code.
abstract_unstemmed	Among the many algorithms developed for evaluation of dose distributions in radiotherapy, the Monte Carlo methods provide more realistic results. In intensity modulated radiation therapy, significant differences in dose distributions within the fields defined by the multileaf collimator (MLC) could have significant radiobiology effects. Thus, it is important to model thoroughly the MLC to allow more accurate radiotherapy delivery. The objective of this work is to describe and to validate a methodology for modeling of MLCs using code Geant4. The Varian Millennium 120-leaf MLC was modeled using this methodology and it was experimentally verified. The leaves of the MLC were built using three types of solid (G4Box, G4Tubs and G4ExtrudeSolid) and the Boolean operation of subtraction (G4SubtractionSolid). Based on this methodology, it is possible to simulate other Varian MLC models using Geant4 or other MC code.
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title_short	Experimental verification of a methodology for Monte Carlo modeling of multileaf collimators using the code Geant4
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Experimental verification of a methodology for Monte Carlo modeling of multileaf collimators using the code Geant4

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