2018
Development and Validation of a Multiparameterized Artificial Neural Network for Prostate Cancer Risk Prediction and Stratification
Roffman DA, Hart GR, Leapman MS, Yu JB, Guo FL, Ali I, Deng J. Development and Validation of a Multiparameterized Artificial Neural Network for Prostate Cancer Risk Prediction and Stratification. JCO Clinical Cancer Informatics 2018, 2: 1-10. PMID: 30652591, PMCID: PMC6873987, DOI: 10.1200/cci.17.00119.Peer-Reviewed Original ResearchConceptsProstate Cancer Risk PredictionCancer risk predictionPositive predictive valueProstate cancerRisk predictionPredictive valueHistory of strokeHigh-risk subgroupsBody mass indexCancer risk stratificationHealth informationPersonal health informationPrimary prostate cancerYears of ageDiabetes statusRisk stratificationSmoking statusMass indexCancer populationHeart diseaseExercise habitsCancer riskHigh riskCutoff valueAdult survey dataPredicting non-melanoma skin cancer via a multi-parameterized artificial neural network
Roffman D, Hart G, Girardi M, Ko CJ, Deng J. Predicting non-melanoma skin cancer via a multi-parameterized artificial neural network. Scientific Reports 2018, 8: 1701. PMID: 29374196, PMCID: PMC5786038, DOI: 10.1038/s41598-018-19907-9.Peer-Reviewed Original ResearchMeSH KeywordsDecision Support TechniquesDiagnostic Tests, RoutineEarly DiagnosisFemaleHumansMaleMiddle AgedNeural Networks, ComputerROC CurveSensitivity and SpecificitySkin NeoplasmsConceptsNon-melanoma skin cancerFamily historySkin cancerUVR exposureHistory of strokePotential predictive parametersNon-cancer casesFamily history informationUltraviolet radiation exposureDiabetic statusSmoking statusHeart diseaseRisk factorsExercise habitsHispanic ethnicityPredictive parametersAdult survey dataEarly detectionRadiation exposureROC curveHealth informationPersonal health informationNovel associationsCancerExposure
2006
Limitations of silicon diodes for clinical electron dosimetry
Song H, Ahmad M, Deng J, Chen Z, Yue NJ, Nath R. Limitations of silicon diodes for clinical electron dosimetry. Radiation Protection Dosimetry 2006, 120: 56-59. PMID: 16772305, DOI: 10.1093/rpd/ncj007.Peer-Reviewed Original ResearchEvaluation 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 techniquesDistributionPotential impact of prostate edema on the dosimetry of permanent seed implants using the new (model CS‐1) seeds
Chen Z, Deng J, Roberts K, Nath R. Potential impact of prostate edema on the dosimetry of permanent seed implants using the new (model CS‐1) seeds. Medical Physics 2006, 33: 968-975. PMID: 16696473, DOI: 10.1118/1.2179170.Peer-Reviewed Original Research
2003
Commissioning 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning
Deng J, Ma C, Hai J, Nath R. Commissioning 6 MV photon beams of a stereotactic radiosurgery system for Monte Carlo treatment planning. Medical Physics 2003, 30: 3124-3134. PMID: 14713079, DOI: 10.1118/1.1624753.Peer-Reviewed Original ResearchConceptsMonte Carlo dose calculationsMonte Carlo treatment planningBeam phase spaceOutput factorsCentral axis depth dose curvesDose profilesMonte Carlo treatmentMeasurement dataMultiple source modelCyberknife stereotactic radiosurgery systemPhase spaceMV photon beamDepth dose curvesDose calculationsSource modelStereotactic radiosurgery systemFluence distributionStandard measurement dataSource distributionPhoton beamsAxis distanceEnergy spectrumCollimator sizeDose curvesAveraging effectDose correlation for thoracic motion in radiation therapy of breast cancer
Ding M, Li J, Deng J, Fourkal E, Ma C. Dose correlation for thoracic motion in radiation therapy of breast cancer. Medical Physics 2003, 30: 2520-2529. PMID: 14528974, DOI: 10.1118/1.1603744.Peer-Reviewed Original ResearchMeSH KeywordsArtifactsBreast NeoplasmsHumansMammographyMotionMovementOnline SystemsPhantoms, ImagingRadiographic Image Interpretation, Computer-AssistedRadiography, ThoracicRadiometryRadiotherapy DosageRadiotherapy Planning, Computer-AssistedRadiotherapy, Computer-AssistedReproducibility of ResultsRespirationSensitivity and SpecificityStatistics as TopicThoraxTomography, X-Ray ComputedConceptsBreathing patternDose correlationBreast cancerChest wall motionChest wall movementPatient's breathing patternDose dataRadiation therapyThoracic motionRadiotherapy treatmentTreatment planningExpiration phaseDifferent breathing phasesFinal dose distributionCancerBreathing phasesPatient anatomyWall motionTreatmentDose distributionCT dataBreathing levelTherapyDosePatient geometry
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