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A modular Geant4 model of Leksell Gamma Knife Perfexion™
J. Pipek, J. Novotný, J. Novotný, P. Kozubíková,
Language English Country England, Great Britain
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Phantoms, Imaging * MeSH
- Humans MeSH
- Monte Carlo Method * MeSH
- Neoplasms surgery MeSH
- Radiotherapy Planning, Computer-Assisted MeSH
- Computer Simulation * MeSH
- Radiosurgery methods MeSH
- Models, Statistical * MeSH
- Check Tag
- Humans MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
This work presents a Monte Carlo model of Leksell Gamma Knife Perfexion as well as the main parameters of the dose distribution in the standard phantom obtained using this model. The model is developed in the Geant4 simulation toolkit in a modular way which enables its reuse in other Perfexion studies. Large phase space files were created, containing particles that are entering the inner machine cavity after being transported through the collimation system. All 14 output factors of the machine and effective output factors for both the 4 mm (0.830 ± 0.009) and 8 mm (0.921 ± 0.004) collimators were calculated. Dose profiles along the main axes are also included for each collimator size. All results are compared to the values obtained from the treatment planning system, from experiments, and from other Monte Carlo models.
References provided by Crossref.org
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