2008
Clinical implementation of enhanced dynamic wedges into the Pinnacle treatment planning system: Monte Carlo validation and patient-specific QA
Ahmad M, Deng J, Lund MW, Chen Z, Kimmett J, Moran MS, Nath R. Clinical implementation of enhanced dynamic wedges into the Pinnacle treatment planning system: Monte Carlo validation and patient-specific QA. Physics In Medicine And Biology 2008, 54: 447-465. PMID: 19098353, DOI: 10.1088/0031-9155/54/2/018.Peer-Reviewed Original Research
2002
Edema-induced increase in tumour cell survival for 125I and 103Pd prostate permanent seed implants—a bio-mathematical model
Yue N, Chen Z, Nath R. Edema-induced increase in tumour cell survival for 125I and 103Pd prostate permanent seed implants—a bio-mathematical model. Physics In Medicine And Biology 2002, 47: 1185-1204. PMID: 11996063, DOI: 10.1088/0031-9155/47/7/313.Peer-Reviewed Original ResearchConceptsTumor potential doubling timeContinuous low dose rate irradiationTumor cell survivalSeed implantsBio-mathematical modelCell survivalExternal beam radiotherapyPresence of edemaProstate seed implantationLow dose rate irradiationEdema magnitudeEffects of edemaPotential doubling timeTypical edemaDose rate irradiationProstate volumeSurgical traumaPermanent seed implantsSeed implantationSignificant edemaTreatment strategiesSurgical proceduresBeam radiotherapyEdemaDose coverage
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
A minimax entropy registration framework for patient setup verification in radiotherapy
Bansal R, Staib L, Chen Z, Rangarajan A, Knisely J, Nath R, Duncan J. A minimax entropy registration framework for patient setup verification in radiotherapy. Computer Assisted Surgery 1999, 4: 287-304. PMID: 10631372, DOI: 10.1002/(sici)1097-0150(1999)4:6<287::aid-igs1>3.0.co;2-9.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsEntropyHumansModels, TheoreticalPhantoms, ImagingRadiotherapyTomography, X-Ray Computed