Modelling of a 188W/188Re beta line source for coronary brachytherapy by means of EGS4 Monte Carlo simulations.
In this paper, we present results from three different simulation models that are used to determine the dose distribution around a 188W/188Re coronary brachytherapy source with EGS4 Monte Carlo simulations. The three models are found to give similar results within 10%. Agreement was found with experimental data from measurements in a PMMA phantom. It has been shown that in the therapeutically relevant region the beta line source can be characterized by the radial depth-dose distribution in water.
Clarijs
M C
MC
Radiation Technology Group, Delft University of Technology, c/o Interfaculty Reactor Institute, Delft, The Netherlands. clarijs@iri.tudelft.nl
Bos
A J
AJ
van Eijk
C W
CW
Schaart
D R
DR
D015906:Angioplasty, Balloon, Coronary; D055592:Biophysical Phenomena; D001703:Biophysics; D001918:Brachytherapy / Q000379:methods* / Q000706:statistics & numerical data; D003331:Coronary Vessels / Q000528:radiation effects; D006801:Humans; D008962:Models, Theoretical; D009010:Monte Carlo Method; D019047:Phantoms, Imaging; D019904:Polymethyl Methacrylate; D011868:Radioisotopes / Q000627:therapeutic use; D012211:Rhenium / Q000627:therapeutic use; D014414:Tungsten / Q000627:therapeutic use
D011868:Radioisotopes; D012211:Rhenium; D019904:Polymethyl Methacrylate; D014414:Tungsten