2024
Thursday, July 11, 20244:00 PM - 5:00 PM PP01 Presentation Time: 4:00 PM Investigating Shielding as a Dose-Shaping Tool in Flattening Distal Dose Profiles for Single-Channel Vaginal Cylinders
Tien C, Mullane S, Draeger E, Rivard M, Chen Z. Thursday, July 11, 20244:00 PM - 5:00 PM PP01 Presentation Time: 4:00 PM Investigating Shielding as a Dose-Shaping Tool in Flattening Distal Dose Profiles for Single-Channel Vaginal Cylinders. Brachytherapy 2024, 23: s26-s27. DOI: 10.1016/j.brachy.2024.08.020.Peer-Reviewed Original ResearchModel-based dose calculation algorithmsSingle-channel vaginal cylinderDose profilesDose distributionVaginal cylinderCentral axisCustomized shieldingRegions of high doseAnisotropic dose distributionUniform dose profileDose calculation algorithmWater-equivalent materialDose calculation methodMonte CarloIr-192 seedsDose gridIr-192MC simulationsRelative doseShielding materialsCalculation algorithmSource transitionDose optimizationLateral radiusShielding
2020
A general-purpose Monte Carlo particle transport code based on inverse transform sampling for radiotherapy dose calculation
Liang Y, Muhammad W, Hart GR, Nartowt BJ, Chen ZJ, Yu JB, Roberts KB, Duncan JS, Deng J. A general-purpose Monte Carlo particle transport code based on inverse transform sampling for radiotherapy dose calculation. Scientific Reports 2020, 10: 9808. PMID: 32555530, PMCID: PMC7300009, DOI: 10.1038/s41598-020-66844-7.Peer-Reviewed Original ResearchConceptsPhoton transportBoundary crossing algorithmMonte Carlo particle transport codeMonte Carlo methodTransport simulationsAcceptance-rejection samplingRadiotherapy dose calculationsPhoto-electric effectParticle transport codeEGSnrc simulationsCarlo methodBremsstrahlung eventsInelastic scatteringPair productionRayleigh scatteringThread divergenceMC simulationsTransport codeMC codeHistory schemeParticle transportCrossing algorithmInverseElectron transportSimulation accuracy
2018
Monte Carlo dosimetry modeling of focused kV x‐ray radiotherapy of eye diseases with potential nanoparticle dose enhancement
Yan H, Ma X, Sun W, Mendez S, Stryker S, Starr‐Baier S, Delliturri G, Zhu D, Nath R, Chen Z, Roberts K, MacDonald CA, Liu W. Monte Carlo dosimetry modeling of focused kV x‐ray radiotherapy of eye diseases with potential nanoparticle dose enhancement. Medical Physics 2018, 45: 4720-4733. PMID: 30133705, DOI: 10.1002/mp.13144.Peer-Reviewed Original ResearchConceptsX-ray beamMC simulation programEye plaque treatmentCentral axis depth doseMC simulationsDose distributionBeam focusingEye Physics plaquesPhantom irradiationDose enhancementEnergy spectrumDepth doseLens modelingDosimetry modelingPhotoelectric absorptionKV rangeKV X-ray beamsBeamEBT3 filmSimulation programEnergy regimeModelingX-ray techniquesHalf maximumMore flexibility