2012
SU‐E‐T‐289: On the Use of a Diode Array for the Commissioning of Dynamically‐Wedged Asymmetric Fields Generated by Varian EDW's in the Pinnacle Treatment Planning System
Ahmad M, Liu W, Deng J, Nguyen K, Wu D, Chen Z, Moran M, Nath R. SU‐E‐T‐289: On the Use of a Diode Array for the Commissioning of Dynamically‐Wedged Asymmetric Fields Generated by Varian EDW's in the Pinnacle Treatment Planning System. Medical Physics 2012, 39: 3770-3770. PMID: 28517261, DOI: 10.1118/1.4735357.Peer-Reviewed Original ResearchArray systemMonte Carlo code BEAMnrcEnhanced dynamic wedgeDiode arrayCylindrical chamberSolid waterDose profilesCentral axisVirtual waterAcceptable accuracyPinnacle3 treatment planning systemBeamDiode array systemOutput factorsWedge angleSegmented treatment tablesAsymmetric fieldsSimulationsConvolution calculationMC predictionWater phantomWaterAxis dose profilesCentral axis percentage depth dosesPercentage depth doses
2007
SU‐FF‐T‐106: Clinical Implementation of Varian Enhanced Dynamic Wedges Into the Pinnacle Treatment Planning System: Monte Carlo Dosimetry and Patient‐Specific Quality Assurance Techniques
Ahmad M, Deng J, Chen Z, Lund M, Kimmett J, Moran M, Nath R. SU‐FF‐T‐106: Clinical Implementation of Varian Enhanced Dynamic Wedges Into the Pinnacle Treatment Planning System: Monte Carlo Dosimetry and Patient‐Specific Quality Assurance Techniques. Medical Physics 2007, 34: 2425-2425. DOI: 10.1118/1.2760762.Peer-Reviewed Original Research
2006
Evaluation of the EDR-2 film for relative dosimetry of high-energy photon and electron beams
Ahmad M, Chen Z, Song H, Deng J, Nath R. Evaluation of the EDR-2 film for relative dosimetry of high-energy photon and electron beams. Radiation Protection Dosimetry 2006, 120: 159-162. PMID: 16644932, DOI: 10.1093/rpd/ncj006.Peer-Reviewed Original ResearchConceptsEDR-2 filmsElectron beamRelative dosimetryHigh-energy photonsClinical radiation dosimetryDose profilesPhotonsRadiation dosimetryBeamDose distributionRadiographic filmsSensitometric studyFilmsDosimetryTreatment planning techniquesElectronsDiodesSymmetryKVFlatnessPlanning techniquesDistribution
2004
Modelling 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning
Deng J, Guerrero T, Ma C, Nath R. Modelling 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning. Physics In Medicine And Biology 2004, 49: 1689-1704. PMID: 15152924, DOI: 10.1088/0031-9155/49/9/007.Peer-Reviewed Original ResearchConceptsMV photon beamMonte Carlo treatmentPhoton beamsPhase spaceEGS4/BEAM systemPercent depth dose curvesParticle phase spaceMonte Carlo treatment planningDepth dose curvesFull phase spaceDose calculationsStereotactic radiosurgery systemContaminant electronsCircular planar sourceMonte Carlo systemPrimary photonsMultiple source modelDose profilesSecondary collimatorDose curvesTotal maximum doseDose contributionBeamBeam systemOriginal phase space
2002
A Monte Carlo investigation of fluence profiles collimated by an electron specific MLC during beam delivery for modulated electron radiation therapy
Deng J, Lee MC, Ma C. A Monte Carlo investigation of fluence profiles collimated by an electron specific MLC during beam delivery for modulated electron radiation therapy. Medical Physics 2002, 29: 2472-2483. PMID: 12462711, DOI: 10.1118/1.1513160.Peer-Reviewed Original ResearchConceptsFluence profilesVarian Clinac 2100C linear acceleratorElectron radiation therapyElectron beamMonte Carlo methodBeam energyBeam deliveryMonte Carlo investigationElectron beam energyCarlo methodMonte CarloOff-axis locationBEAM codeSigmoid functionLeaf endsEnergy dependenceInverse planning algorithmLinear acceleratorVariable energyMLC aperturesOperatorsBeamField sizeDose distributionMultileaf collimator
2001
Comparison of dosimetric effects of organ motion between modulated electron radiation therapy and conventional photon beams for breast cancer
Jolly J, Ding M, Deng J, Pawlicki T, Chu J, Ma C. Comparison of dosimetric effects of organ motion between modulated electron radiation therapy and conventional photon beams for breast cancer. International Journal Of Radiation Oncology • Biology • Physics 2001, 51: 387. DOI: 10.1016/s0360-3016(01)02537-8.Peer-Reviewed Original ResearchDerivation of electron and photon energy spectra from electron beam central axis depth dose curves
Deng J, Jiang S, Pawlicki T, Li J, Ma C. Derivation of electron and photon energy spectra from electron beam central axis depth dose curves. Physics In Medicine And Biology 2001, 46: 1429-1449. PMID: 11384063, DOI: 10.1088/0031-9155/46/5/308.Peer-Reviewed Original ResearchConceptsPhoton energy spectrumDepth dose curvesCentral axis depth dose curvesPhase-space simulationsElectron beamEnergy spectrumDose curvesElectron beam dose calculationsLinear accelerator treatment headCentral axis percentage depth-dose (PDD) curvesPercentage depth dose curvesDerivation of electronPhase space dataClinical electron beamsMeV electron beamSpace simulationTreatment headPDD curvesDose profilesElectronsBeamCorresponding spectraPhotonsDose calculationsSpectra
2000
Energy- and intensity-modulated electron beams for radiotherapy
Ma C, Pawlicki T, Lee MC, Jiang SB, Li JS, Deng J, Yi B, Mok E, Boyer AL. Energy- and intensity-modulated electron beams for radiotherapy. Physics In Medicine And Biology 2000, 45: 2293-2311. PMID: 10958195, DOI: 10.1088/0031-9155/45/8/316.Peer-Reviewed Original ResearchConceptsModulated electron radiotherapyIntensity-modulated electron beamElectron beamMultileaf collimatorElectron beam energyInter-leaf leakageDose distributionElectron intraMonte Carlo dose calculationsPencil beam algorithmLeaf endsBeam energyPhoton beamsElectron radiotherapyOblique incidencePatient surfaceMonte Carlo methodBeamBeam algorithmField shapeMonte Carlo simulationsDose calculationsSuperficial targetsCarlo methodCarlo simulationsModeling and Commissioning of Clinical Photon Beams for Monte Carlo Treatment Planning
Jiang S, Deng J, Li J, Pawlicki T, Boyer A, Ma C. Modeling and Commissioning of Clinical Photon Beams for Monte Carlo Treatment Planning. 2000, 434-436. DOI: 10.1007/978-3-642-59758-9_164.Peer-Reviewed Original ResearchSimulation of Beam Modifiers for Monte Carlo Treatment Planing
Li J, Pawlicki T, Deng J, Jiang S, Ma C. Simulation of Beam Modifiers for Monte Carlo Treatment Planing. 2000, 437-439. DOI: 10.1007/978-3-642-59758-9_165.Peer-Reviewed Original ResearchPhase space dataBeam modifiersMulti-leaf collimatorDose calculationsTreatment head simulationMonte Carlo methodEGS4 user codeSpace dataCarlo methodElectron cutoutRadiation therapy treatment planningParticle transportTherapy treatment planningTwo-step simulationCalculationsClinical dose calculationsUser codeDOSXYZBeamTreatment planingCollimatorSimulationsPhantomTwo-step methodDistal faceMCDOSE — A Monte Carlo Dose Calculation Tool for Radiation Therapy Treatment Planning
Ma C, Li J, Pawlicki T, Jiang S, Deng J. MCDOSE — A Monte Carlo Dose Calculation Tool for Radiation Therapy Treatment Planning. 2000, 123-125. DOI: 10.1007/978-3-642-59758-9_45.Peer-Reviewed Original ResearchSource-skin distanceClinical dose verificationTransport of photonsEGS4 user codeDose distributionTreatment planning dose calculationsAccelerator beamsElectron beamBeam modifiersDose verificationRadiation therapy treatment planningTherapy treatment planningPhotonsGantry angleDose calculationsCollimator rotationSkin distanceBeamFinal dose distributionInverse treatment planningPatient geometryCouch anglesTreatment planningOptimization systemUser codeVerification of IMRT dose distributions using a water beam imaging system
Li J, Ozhasoglu C, Deng J, Boyer A, Ma C. Verification of IMRT dose distributions using a water beam imaging system. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society 2000, 2: 1158-1161 vol.2. DOI: 10.1109/iembs.2000.897932.Peer-Reviewed Original ResearchBeam imaging systemDose distributionX-ray beamImaging systemCCD cameraReconstructed dose distributionsMultileaf collimatorScintillator screenScintillation screenScintillation imagesIMRT dose verificationDose verificationIMRT dose distributionsDynamic multileaf collimatorMonte Carlo methodIterative reconstruction algorithmReasonable agreementCarlo methodDose valuesReconstruction algorithmIMRT plansPortable personal computerBeamCollimatorMonte Carlo simulation results