2025
Salvage Radiosurgery After Brachytherapy for Locally Recurrent Prostate Cancer With Real-Time Adaptive Motion Management Using Previously Implanted Brachytherapy Seeds as Fiducial Markers
Yu J, Grew D, Singh C, Sculley E, Jones A, Munbodh R. Salvage Radiosurgery After Brachytherapy for Locally Recurrent Prostate Cancer With Real-Time Adaptive Motion Management Using Previously Implanted Brachytherapy Seeds as Fiducial Markers. Cureus 2025, 17: e81373. PMID: 40291214, PMCID: PMC12034341, DOI: 10.7759/cureus.81373.Peer-Reviewed Original ResearchPlanning target volumeGross tumor volumeImplanted brachytherapy seedsProstate-specific antigenStereotactic body radiation therapyLocally recurrent prostate cancerLow dose rateBrachytherapy seedsRecurrent prostate cancerProstate cancerProstate-specific membrane antigen positron emission tomographyLocal recurrence of prostate cancerDeclining prostate-specific antigenRecurrence of prostate cancerFiducial marker placementPatient tolerated therapyTarget volumeRobotic radiosurgeryFiducial markersDose ratePositron emission tomographyPSMA-PETSalvage radiosurgeryLocal recurrenceRadiation therapy
2024
Impact of Synthetic PET Evaluation prior to PET-Guided Functional Modeling in Optimizing Patient Selection for Biology-Guided Radiotherapy
Hicks D, Chen H, Kim J, Tressel L, Wallington D, Becht K, Johung K, Young M, Feghali K, de Jong D, Chen Z, Carlson D, Park H. Impact of Synthetic PET Evaluation prior to PET-Guided Functional Modeling in Optimizing Patient Selection for Biology-Guided Radiotherapy. International Journal Of Radiation Oncology • Biology • Physics 2024, 120: s162-s163. DOI: 10.1016/j.ijrobp.2024.07.2188.Peer-Reviewed Original ResearchPlanning target volumeInternal target volumeBiology-guided radiotherapyStereotactic body radiotherapyGross tumor volumeTarget volumeCT simulationOptimal patient selectionPET evaluationStereotactic body radiotherapy planLung target volumesPatient selectionPTV edgesLung casesBgRTPET-CTTumor sizeTumor volumeRadiotherapyCase 2PET dataLungActivity concentrationsPatientsConsistent with results
2023
Analysis of Radiation Therapy Quality Assurance in NRG Oncology RTOG 0848
Tchelebi L, Winter K, Abrams R, Safran H, Regine W, McNulty S, Wu A, Du K, Seaward S, Bian S, Aljumaily R, Shivnani A, Knoble J, Crocenzi T, DiPetrillo T, Roof K, Crane C, Goodman K. Analysis of Radiation Therapy Quality Assurance in NRG Oncology RTOG 0848. International Journal Of Radiation Oncology • Biology • Physics 2023, 118: 107-114. PMID: 37598723, PMCID: PMC10843017, DOI: 10.1016/j.ijrobp.2023.08.014.Peer-Reviewed Original ResearchConceptsTarget volumeRadiation therapy quality assuranceRadiation therapyPlanning target volumeClinical treatment volumeGross target volumePretreatment QAContouring atlasTreatment planningResectable pancreatic head adenocarcinomaRT planningIntensity modulated RTQA analysisPancreatic head adenocarcinomaNRG Oncology RTOGPracticing radiation oncologistsReal-time quality assuranceTreatment volumeEffects of RTConcurrent fluoropyrimidineConformal RTAdjuvant chemotherapyRadiation oncologistsQuality assurancePancreas cancerLocal Control and Survival Outcomes After Stereotactic Radiosurgery for Brain Metastases From Gastrointestinal Primaries: An International Multicenter Analysis
Singh R, Bowden G, Mathieu D, Perlow H, Palmer J, Elhamdani S, Shepard M, Liang Y, Nabeel A, Reda W, Tawadros S, Abdelkarim K, El-Shehaby A, Emad R, Elazzazi A, Warnick R, Gozal Y, Daly M, McShane B, Addis-Jackson M, Karthikeyan G, Smith S, Picozzi P, Franzini A, Kaisman-Elbaz T, Yang H, Wei Z, Legarreta A, Hess J, Templeton K, Pikis S, Mantziaris G, Simonova G, Liscak R, Peker S, Samanci Y, Chiang V, Niranjan A, Kersh C, Lee C, Trifiletti D, Lunsford L, Sheehan J. Local Control and Survival Outcomes After Stereotactic Radiosurgery for Brain Metastases From Gastrointestinal Primaries: An International Multicenter Analysis. Neurosurgery 2023, 93: 592-598. PMID: 36942965, DOI: 10.1227/neu.0000000000002456.Peer-Reviewed Original ResearchConceptsKarnofsky performance statusStereotactic radiosurgeryOverall survivalBrain metastasesUnivariate analysisLocal controlGI primaryExtracranial metastasesPrognostic factorsBrain metastases treated with stereotactic radiosurgeryAssociated with inferior LCAssociated with inferior OSMedian Karnofsky performance statusEvaluate potential prognostic factorsInternational multicenter analysisPlanning target volumePotential prognostic factorsKaplan-Meier analysisOne-yearProportional hazards modelInferior LCInferior OSOS ratesLC ratesGastrointestinal primary
2022
Oral Mucosal Sparing in High-Dose Total Body Irradiation (TBI) prior to Stem Cell Transplantation (SCT) for Acute Leukemia
Liveringhouse C, Sandoval M, Dohm A, Weygand J, Garcia G, Peters J, Nieder M, Faramand R, Jain M, Locke F, Bejanyan N, Kim S, Robinson T, Latifi K. Oral Mucosal Sparing in High-Dose Total Body Irradiation (TBI) prior to Stem Cell Transplantation (SCT) for Acute Leukemia. International Journal Of Radiation Oncology • Biology • Physics 2022, 114: e353. DOI: 10.1016/j.ijrobp.2022.07.1462.Peer-Reviewed Original ResearchNon-relapse mortalityTotal body irradiationStem cell transplantationHigh-grade oral mucositisPlanning target volumeOral mucositisAcute oral mucositisAcute lymphocytic leukemiaAcute leukemiaMucosal sparingOral mucosaExact testRisk of NRMHigh-dose total body irradiationDose total body irradiationHost disease (GVHD) prophylaxisResults 25 patientsMedian patient ageSevere oral mucositisFatal respiratory failureFisher's exact testNon-significant trendIMRT/VMATConditioning chemotherapyFatal GVHDPeer Review of Head and Neck Cancer Planning Target Volumes in Radiation Oncology
Hesse J, Zakeri K, Chen L, Yu Y, Kang J, Riaz N, Tsai C, McBride S, Gelblum D, Lee N. Peer Review of Head and Neck Cancer Planning Target Volumes in Radiation Oncology. International Journal Of Radiation Oncology • Biology • Physics 2022, 114: e472-e473. DOI: 10.1016/j.ijrobp.2022.07.1729.Peer-Reviewed Original ResearchStart of RTTarget volumeFurther workupNeck cancerTreatment planPositive findingsNeck radiation oncologistMinority of patientsOverall treatment planTreatment planningPlanning target volumeProspective peer reviewTumor board discussionMATERIAL/METHODSNeck cancer casesRadiation treatment plansFurther surgeryUnderwent biopsyAdditional surgeryAdditional workupOncology servicesSignificant changesCancer casesPatientsRadiation oncologistsPeer Review of Head and Neck Cancer Planning Target Volumes in Radiation Oncology
Hesse J, Chen L, Yu Y, Kang J, Riaz N, Tsai C, McBride S, Gelblum D, Zakeri K, Lee N. Peer Review of Head and Neck Cancer Planning Target Volumes in Radiation Oncology. Advances In Radiation Oncology 2022, 7: 100917. PMID: 35647395, PMCID: PMC9133360, DOI: 10.1016/j.adro.2022.100917.Peer-Reviewed Original ResearchStart of RTAdditional workupTarget volumeAdditional surgeryNeck cancerTreatment planPositive findingsNeck radiation oncologistMinority of patientsOverall treatment planTreatment planningPlanning target volumeProspective peer reviewTumor board discussionNeck cancer casesRadiation treatment plansUnderwent biopsyMedical oncologistsSignificant changesCancer casesAdditional consultationPatientsRadiation oncologistsRadiation therapy planningTreatment volume
2021
Analysis of Radiation Therapy Quality Assurance in NRG Oncology RTOG 0848
Tchelebi L, Winter K, Abrams R, Safran H, Regine W, McNulty S, Wu A, Du K, Seaward S, Bian S, Aljumaily R, Shivnani A, Moore T, Crocenzi T, DiPetrillo T, Kuykendal A, Crane C, Goodman K. Analysis of Radiation Therapy Quality Assurance in NRG Oncology RTOG 0848. International Journal Of Radiation Oncology • Biology • Physics 2021, 111: s40. DOI: 10.1016/j.ijrobp.2021.07.114.Peer-Reviewed Original ResearchClinical treatment volumePlanning target volumeIntensity-modulated RTTarget volumeRadiation therapy quality assuranceDose-volume histogramsTreatment planning dataGross target volumeTrained radiation oncologistsPretreatment QAVolume histogramsContouring atlasTreatment planningAdjuvant gemcitabine-based chemotherapyResectable pancreatic head adenocarcinomaRT planningIsodose lineQA analysisGemcitabine-based chemotherapyPancreatic head adenocarcinomaNRG Oncology RTOGReal-time quality assurancePre-operative imagingImpact of RTTreatment volume
2019
Standard Tangential Radiation Fields Do Not Provide Incidental Coverage to the Internal Mammary Nodes
Loganadane G, Kassick M, Kann BH, Young MR, Knowlton CA, Evans SB, Higgins SA, Belkacemi Y, Potenziani M, Saltmarsh N, Wilson LD, Moran MS. Standard Tangential Radiation Fields Do Not Provide Incidental Coverage to the Internal Mammary Nodes. Practical Radiation Oncology 2019, 10: 21-28. PMID: 31394256, DOI: 10.1016/j.prro.2019.07.014.Peer-Reviewed Original ResearchConceptsInternal mammary nodesClinical target volumePlanning target volumeIMN chainMean doseTangential radiation fieldsTarget volumePostmastectomy radiationMammary nodesRadiation therapyAdjuvant whole breast radiation therapyWhole breast radiation therapyRegional nodal radiationConformal radiation therapyNodal radiationPrimary endpointMedian doseTherapeutic coverageStudy cohortTherapeutic dosesBreast cancerIncidental doseAxillary fieldKruskal-Wallis testSupraclavicular fieldPatient-Reported Outcomes and Cosmesis in a Feasibility Study of 4-Dimensional Simulated Image Guided Accelerated Partial Breast Irradiation
Rahimy E, Weidhaas J, Wei W, Lannin D, Horowitz N, Higgins S, Wilson LD, Knowlton C, Moran MS, Young MR, Killelea B, Chagpar A, Yeboa DN, Zelterman D, Evans S. Patient-Reported Outcomes and Cosmesis in a Feasibility Study of 4-Dimensional Simulated Image Guided Accelerated Partial Breast Irradiation. Practical Radiation Oncology 2019, 9: e257-e265. PMID: 30796975, DOI: 10.1016/j.prro.2019.01.013.Peer-Reviewed Original ResearchConceptsPartial breast irradiationDosimetric constraintsBreast irradiationCosmetic outcomePoor cosmesisToxicity gradeBreast cancerKarnofsky performance status scoreTarget volumeAccelerated Partial Breast IrradiationSmaller planning target volumesAcceptable cosmetic outcomeAdverse cosmetic outcomePathologic tumor sizePerformance status scoreI breast cancerBreast-conserving surgeryThree-dimensional conformalDose-volume relationshipPlanning target volumeComputed tomography simulationDaily image guidanceLocoregional recurrencePrimary endpointTumor size
2017
Dose-Volume Predictors of Esophagitis After Thoracic Stereotactic Body Radiation Therapy
Harder EM, Chen Z, Park HS, Mancini BR, Decker RH. Dose-Volume Predictors of Esophagitis After Thoracic Stereotactic Body Radiation Therapy. American Journal Of Clinical Oncology 2017, 40: 477-482. PMID: 26017483, DOI: 10.1097/coc.0000000000000195.Peer-Reviewed Original ResearchConceptsStepwise selection techniqueRadiation therapyThoracic stereotactic body radiation therapyStereotactic hypofractionated radiation therapyStereotactic body radiation therapyDose-volume predictorsNormal tissue complication probabilityHypofractionated radiation therapyMultivariate logistic regressionProbability estimatesBody radiation therapyPlanning target volumeEsophageal toxicityEsophagitis ratesCTCAE v4.0Dosimetric predictorsPulmonary tumorsInstitutional databaseRadiotherapy parameters
2013
Multicriteria optimization informed VMAT planning
Chen H, Craft DL, Gierga DP. Multicriteria optimization informed VMAT planning. Medical Dosimetry 2013, 39: 64-73. PMID: 24360919, PMCID: PMC3954571, DOI: 10.1016/j.meddos.2013.10.001.Peer-Reviewed Original ResearchConceptsVMAT plan qualityProstate cancer casesCancer casesNeck cancer casesProstate cancerPlan qualityVMAT optimizationHead/neck cancerLess monitor unitsIntensity-modulated radiotherapy plansPlanning target volumeDose-volume histogram (DVH) informationDifferent tumor sitesMCO-IMRTNeck cancerRisk sparingPatientsTumor siteTarget volumeConformity numberHomogeneity indexVMAT planningRadiotherapy plansVMAT plansCancer
2011
Intensity-Modulated Radiotherapy for Pancreatic Adenocarcinoma
Abelson JA, Murphy JD, Minn AY, Chung M, Fisher GA, Ford JM, Kunz P, Norton JA, Visser BC, Poultsides GA, Koong AC, Chang DT. Intensity-Modulated Radiotherapy for Pancreatic Adenocarcinoma. International Journal Of Radiation Oncology • Biology • Physics 2011, 82: e595-e601. PMID: 22197234, DOI: 10.1016/j.ijrobp.2011.09.035.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAgedAged, 80 and overAntimetabolites, AntineoplasticChemotherapy, AdjuvantDeoxycytidineDisease-Free SurvivalFemaleFluorouracilGemcitabineHumansMaleMiddle AgedNeoplasm Recurrence, LocalPancreatic NeoplasmsRadiotherapy DosageRadiotherapy, Intensity-ModulatedRetrospective StudiesSurvival RateConceptsIntensity-modulated radiotherapyLocal-regional control ratesPancreatic adenocarcinomaAdjuvant patientsDefinitive patientsControl rateSurvival rateGrade 3 late toxicityRecurrence-free survival ratesThree-dimensional conformal radiotherapyOverall survival rateProspective clinical trialsRecurrence-free survivalDurable disease controlPlanning target volumeGreater acute toxicityAcute toxicityLate toxicityOverall survivalSystemic therapyMedian agePancreatic cancerClinical trialsPrescription doseGrade 3
2010
Robotic Brachytherapy and Sublobar Resection for T1 Non-Small Cell Lung Cancer in High-Risk Patients
Blasberg JD, Belsley SJ, Schwartz GS, Evans A, Wernick I, Ashton RC, Bhora FY, Connery CP. Robotic Brachytherapy and Sublobar Resection for T1 Non-Small Cell Lung Cancer in High-Risk Patients. The Annals Of Thoracic Surgery 2010, 89: 360-367. PMID: 20103299, DOI: 10.1016/j.athoracsur.2009.09.052.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAgedAged, 80 and overBrachytherapyCombined Modality TherapyComorbidityDisease ProgressionFemaleFollow-Up StudiesHealth Status IndicatorsHumansImage Processing, Computer-AssistedIodine RadioisotopesLung NeoplasmsMaleMiddle AgedNeoplasm Recurrence, LocalNeoplasm StagingPneumonectomyPositron-Emission TomographyPostoperative ComplicationsRadiometryRadiotherapy DosageRadiotherapy Planning, Computer-AssistedRadiotherapy, AdjuvantRoboticsTomography, X-Ray ComputedConceptsNon-small cell lung cancerHigh-risk patientsCell lung cancerPlanning target volumeSublobar resectionLung cancerPrescription doseStage IA non-small cell lung cancerTarget volumeT1 non-small cell lung cancerSublobar lung resectionPatients 5 yearsSite of recurrenceIncidence of recurrenceComputed tomography scanBrachytherapy seed placementDa Vinci systemConventional lobectomyPerioperative mortalityLocoregional recurrenceLung resectionSelect patientsLimited resectionResection marginsTumor size
2008
SU‐GG‐T‐493: Dosimetric Impact of Beam Energy and Number of Photon Fields On Prostate Dose Distributions: Inverse Planning and Validation Study
Ahmad M, Lund M, Halpin H, Deng J, Chen Z, Mani S, Moran M, Nath R. SU‐GG‐T‐493: Dosimetric Impact of Beam Energy and Number of Photon Fields On Prostate Dose Distributions: Inverse Planning and Validation Study. Medical Physics 2008, 35: 2838-2838. DOI: 10.1118/1.2962242.Peer-Reviewed Original ResearchPlanning target volumeComputerized tomographyTreatment planIMRT techniqueTarget volumeNormal tissuesIrradiated normal tissueDose distributionSuperior dose distributionProstate target volumeInverse planningProstate cancerProstate carcinomaLesser dosesSample patientsBeam arrangementsDose constraintsDosimetric differencesPatientsDose uniformityProstate patientsIMRT plansDosimetric impactIntegral doseInverse planning process
2007
A Dosimetric Evaluation of Conventional Helmet Field Irradiation Versus Two-Field Intensity-Modulated Radiotherapy Technique
Yu J, Shiao S, Knisely J. A Dosimetric Evaluation of Conventional Helmet Field Irradiation Versus Two-Field Intensity-Modulated Radiotherapy Technique. International Journal Of Radiation Oncology • Biology • Physics 2007, 68: 621-631. PMID: 17276616, DOI: 10.1016/j.ijrobp.2006.12.004.Peer-Reviewed Original ResearchConceptsIntensity-modulated radiotherapyDose uniformityCompare dose-volume histogramsIntensity-modulated radiotherapy fieldsIntensity-modulated radiotherapy plansOptimal dose uniformityDose-volume histogramsPlanning target volumeDosimetric differencesDose inhomogeneityDosimetric evaluationField irradiationTarget volumeField anglePrescribed doseLong-term cognitive functionBrain radiotherapyRadiotherapy portalsPercentage of brainRadiotherapy fieldEBRTSpinal cordDosePatientsClinical implications
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