2020
DOI: 10.1002/acm2.13090
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Monte Carlo simulation of 6‐MV dynamic wave VMAT deliveries by Vero4DRT linear accelerator using EGSnrc moving sources

Abstract: The commissioning and benchmark of a Monte Carlo (MC) model of the 6-MV Brainlab-Mitsubishi Vero4DRT linear accelerator for the purpose of quality assurance of clinical dynamic wave arc (DWA) treatment plans is reported. Open-source MC applications based on EGSnrc particle transport codes are used to simulate the medical linear accelerator head components. Complex radiotherapy irradiations can be simulated in a single MC run using a shared library format combined with BEAMnrc "source20." Electron energy tuning… Show more

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Cited by 2 publications
(2 citation statements)
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“…An MC model of the Vero4DRT has been built in-house and validated for dose distribution simulations without accounting for DTT beam panning and tilting motions. [ 14 15 ] The EGSnrc/BEAMnrc code was used to simulate the 6MV photon beams. [ 16 17 ] To obtain a dose calculation uncertainty of <2%, 1.5 × 10 9 electrons were incident on the Vero4DRT target, and the resulting bremsstrahlung photons and scattered electrons were transported through the linac head, including the primary collimator, flattening filter, ionization chambers, and stationary secondary collimators.…”
Section: Aterials and M Ethodsmentioning
confidence: 99%
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“…An MC model of the Vero4DRT has been built in-house and validated for dose distribution simulations without accounting for DTT beam panning and tilting motions. [ 14 15 ] The EGSnrc/BEAMnrc code was used to simulate the 6MV photon beams. [ 16 17 ] To obtain a dose calculation uncertainty of <2%, 1.5 × 10 9 electrons were incident on the Vero4DRT target, and the resulting bremsstrahlung photons and scattered electrons were transported through the linac head, including the primary collimator, flattening filter, ionization chambers, and stationary secondary collimators.…”
Section: Aterials and M Ethodsmentioning
confidence: 99%
“…Particles were then directed through the MLCs and the patient’s CT image using a shared library format of BEAMnrc code combined with “source20” of DOSXYZnrc code. [ 14 15 ] The photon cutoff energy used was 0.01 MeV and the electron cutoff energy was 0.521 MeV. All simulations were conducted using the Condor High-Throughput Computing software[ 19 ] on a cluster with eight servers with the Red Hat Enterprise Linux operating system (v. 6.4).…”
Section: Aterials and M Ethodsmentioning
confidence: 99%