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Modelling of an Orthovoltage X-ray Therapy Unit with the EGSnrc Monte Carlo Package

Knöös, Tommy LU orcid ; Munck af Rosenschöld, Per LU orcid and Wieslander, Elinore LU (2007) First European Workshop on Monte Carlo Treatment Planning 74. p.86-95
Abstract
Simulations with the EGSnrc code package of an orthovoltage x-ray machine have been performed. The BEAMnrc code was used to transport electrons, produce x-ray photons in the target and transport of these through the treatment machine down to the exit level of the applicator. Further transport in water or CT based phantoms was facilitated by the DOSXYZnrc code. Phase space files were scored with BEAMnrc and analysed regarding the energy spectra at the end of the applicator. Tuning of simulation parameters was based on the half-value layer quantity for the beams in either Al or Cu. Calculated depth dose and profile curves have been compared against measurements and show good agreement except at shallow depths. The MC model tested in this... (More)
Simulations with the EGSnrc code package of an orthovoltage x-ray machine have been performed. The BEAMnrc code was used to transport electrons, produce x-ray photons in the target and transport of these through the treatment machine down to the exit level of the applicator. Further transport in water or CT based phantoms was facilitated by the DOSXYZnrc code. Phase space files were scored with BEAMnrc and analysed regarding the energy spectra at the end of the applicator. Tuning of simulation parameters was based on the half-value layer quantity for the beams in either Al or Cu. Calculated depth dose and profile curves have been compared against measurements and show good agreement except at shallow depths. The MC model tested in this study can be used for various dosimetric studies as well as generating a library of typical treatment cases that can serve as both educational material and guidance in the clinical practice (Less)
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author
; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
host publication
Journal of Physics: Conference Series
volume
74
pages
86 - 95
publisher
IOP Publishing
conference name
First European Workshop on Monte Carlo Treatment Planning
conference location
Gent, Belgium
conference dates
2006-10-22 - 2006-10-25
external identifiers
  • wos:000251015500009
  • scopus:34548668945
ISSN
1742-6596
1742-6588
DOI
10.1088/1742-6596/74/1/021009
language
English
LU publication?
yes
id
990e37d8-e2fc-48c7-9fd8-f0070cc1a149 (old id 1139821)
date added to LUP
2016-04-01 12:18:47
date last changed
2025-01-02 13:30:00
@inproceedings{990e37d8-e2fc-48c7-9fd8-f0070cc1a149,
  abstract     = {{Simulations with the EGSnrc code package of an orthovoltage x-ray machine have been performed. The BEAMnrc code was used to transport electrons, produce x-ray photons in the target and transport of these through the treatment machine down to the exit level of the applicator. Further transport in water or CT based phantoms was facilitated by the DOSXYZnrc code. Phase space files were scored with BEAMnrc and analysed regarding the energy spectra at the end of the applicator. Tuning of simulation parameters was based on the half-value layer quantity for the beams in either Al or Cu. Calculated depth dose and profile curves have been compared against measurements and show good agreement except at shallow depths. The MC model tested in this study can be used for various dosimetric studies as well as generating a library of typical treatment cases that can serve as both educational material and guidance in the clinical practice}},
  author       = {{Knöös, Tommy and Munck af Rosenschöld, Per and Wieslander, Elinore}},
  booktitle    = {{Journal of Physics: Conference Series}},
  issn         = {{1742-6596}},
  language     = {{eng}},
  pages        = {{86--95}},
  publisher    = {{IOP Publishing}},
  title        = {{Modelling of an Orthovoltage X-ray Therapy Unit with the EGSnrc Monte Carlo Package}},
  url          = {{http://dx.doi.org/10.1088/1742-6596/74/1/021009}},
  doi          = {{10.1088/1742-6596/74/1/021009}},
  volume       = {{74}},
  year         = {{2007}},
}