2014
SU‐E‐T‐518: Dosiemtric Impact of Patient Positioning Uncertainty in SBRT Treatments
Abbas H, Abolfath R, Nath R, Chen Z. SU‐E‐T‐518: Dosiemtric Impact of Patient Positioning Uncertainty in SBRT Treatments. Medical Physics 2014, 41: 346-346. DOI: 10.1118/1.4888851.Peer-Reviewed Original ResearchPatient positioning uncertaintiesDosimetric impactSuperior-inferior directionTreatment planLung SBRTCourse of treatmentSpine SBRT patientsOriginal treatment planLung doseCertain patientsAnterior-posterior positionPractice guidelinesIsocenter positioningSBRT treatmentSBRT patientsMinimum doseMaximum doseSBRTPatientsDoseMinimal dosimetric impactSpine SBRTProstateMonitor unitsTreatment planning system
2011
Testicular Doses in Image-Guided Radiotherapy of Prostate Cancer
Deng J, Chen Z, Yu JB, Roberts KB, Peschel RE, Nath R. Testicular Doses in Image-Guided Radiotherapy of Prostate Cancer. International Journal Of Radiation Oncology • Biology • Physics 2011, 82: e39-e47. PMID: 21489702, DOI: 10.1016/j.ijrobp.2011.01.071.Peer-Reviewed Original ResearchConceptsImage-guided radiotherapyTesticular dosesFull-fan modeProstate cancerFemoral headLess doseCBCT scansHalf-fan modeProstate cancer patientsKilovoltage cone-beamCancer patientsIntensity-modulated radiotherapy (IMRT) treatmentKilovoltage CBCTSuperior-inferior directionCone beamDosesCBCT fieldProstate patientsRectumDoseProstateMore doseRadiotherapy treatmentPatientsRadiotherapy
2008
A Constrained Non-rigid Registration Algorithm for Use in Prostate Image-Guided Radiotherapy
Greene W, Chelikani S, Purushothaman K, Chen Z, Knisely J, Staib L, Papademetris X, Duncan J. A Constrained Non-rigid Registration Algorithm for Use in Prostate Image-Guided Radiotherapy. Lecture Notes In Computer Science 2008, 11: 780-788. PMID: 18979817, PMCID: PMC2790815, DOI: 10.1007/978-3-540-85988-8_93.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsArtificial IntelligenceHumansImaging, Three-DimensionalMalePattern Recognition, AutomatedProstatic NeoplasmsRadiographic Image EnhancementRadiographic Image Interpretation, Computer-AssistedRadiotherapy, Computer-AssistedReproducibility of ResultsSensitivity and SpecificitySubtraction TechniqueTomography, X-Ray ComputedConceptsTreatment planProstate image-guided radiotherapyOriginal treatment planRadiation dosageImage-guided radiotherapyTreatment daysRadiotherapy treatment plansCritical organsDifferent patientsPatient dataDifferent treatment daysBladderRectumProstateFemurBone motionCT imagesDosageReal patient dataPatientsRadiotherapy
2000
Dosimetric effects of needle divergence in prostate seed implant using and radioactive seeds
Nath S, Chen Z, Yue N, Trumpore S, Peschel R. Dosimetric effects of needle divergence in prostate seed implant using and radioactive seeds. Medical Physics 2000, 27: 1058-1066. PMID: 10841410, DOI: 10.1118/1.598971.Peer-Reviewed Original ResearchConceptsMinimum target doseIodine-125 implantsTarget doseDose coverageTumor biological effective doseTarget dose coverageBiological effective doseBase of prostateRadioactive seedsProstate seed implantsProstate seedPalladium-103Target volumeEffective doseDosimetric qualityDosePatient implantsDosimetric effectsSeed implantsProstateImplantsMagnitude of degradationActual implantationNeedle orientationActual configuration
1999
Optimum timing for image-based dose evaluation of 125I and 103Pd prostate seed implants
Yue N, Chen Z, Peschel R, Dicker A, Waterman F, Nath R. Optimum timing for image-based dose evaluation of 125I and 103Pd prostate seed implants. International Journal Of Radiation Oncology • Biology • Physics 1999, 45: 1063-1072. PMID: 10571216, DOI: 10.1016/s0360-3016(99)00282-5.Peer-Reviewed Original ResearchConceptsDose-volume histogramsProstate volumeDose coverageConventional dose-volume histogramsSeed implantsEdema magnitudeMagnitude of edemaOptimum timingPostimplant dose-volume histogramDose evaluationOptimal patient managementProstate seed implantationPreimplant planImplant patientsPermanent brachytherapy implantsProstate seed implantsPatient managementProstate cancerSeed implantationSurgical proceduresEdemaProstateDose distributionDays postimplantationPatients