2024
3D gamma analysis between treatment plans for nominally beam‐matched medical linear accelerators using PyMedPhys
Guan F, Donahue W, Biggs S, Jennings M, Draeger E, Chen H, Wang Y, Nguyen N, Carlson D, Chen Z, Han D. 3D gamma analysis between treatment plans for nominally beam‐matched medical linear accelerators using PyMedPhys. Precision Radiation Oncology 2024 DOI: 10.1002/pro6.1247.Peer-Reviewed Original ResearchGamma analysisGamma indexEvaluation of treatment plansPlanned dose distributionMedical linear acceleratorPass rateEfficient treatment deliveryMedian pass rateDose distributionTreatment planningLinacLinear acceleratorCalculated doseTreatment deliveryConformal radiotherapyOriginal planRadiation therapyPatient transferDisease sitesIn-house scriptsBeam modelPatientsBeamRadiotherapyAcceleration
2023
In Vivo Verification of Electron Paramagnetic Resonance Biodosimetry Using Patients Undergoing Radiation Therapy Treatment
Draeger E, Roberts K, Decker R, Bahar N, Wilson L, Contessa J, Husain Z, Williams B, Flood A, Swartz H, Carlson D. In Vivo Verification of Electron Paramagnetic Resonance Biodosimetry Using Patients Undergoing Radiation Therapy Treatment. International Journal Of Radiation Oncology • Biology • Physics 2023, 119: 292-301. PMID: 38072322, DOI: 10.1016/j.ijrobp.2023.11.029.Peer-Reviewed Original ResearchHealthy volunteersDose rangeTotal body irradiationTotal body irradiation treatmentSignificant correlationRadiation therapy patientsPatient ageBody irradiationImmediate triageTherapy patientsClinical conditionsParticipants' teethPatientsNeck patientsUnknown dosesDosePatient dataRadiotherapy treatmentRadiation doseTeethTreatmentVolunteersSubsequent fractionsLuminescent dosimetersRadiation responsePO83 Utilization of a Virtual Clinical Trial to Characterize Sensitivity of the Linear-Quadratic Model
Tien C, Draeger E, Guan F, Carlson D, Chen Z. PO83 Utilization of a Virtual Clinical Trial to Characterize Sensitivity of the Linear-Quadratic Model. Brachytherapy 2023, 22: s110. DOI: 10.1016/j.brachy.2023.06.184.Peer-Reviewed Original ResearchTumor control probabilityClinical trialsLinear-quadratic modelNumber of patientsPatient cohort sizeTCP curvesRadiobiological parametersVirtual clinical trialsGy-1Cohort sizeRange of dosesPatient outcomesReference cohortPatientsHeterogeneous cohortVirtual patientsNew trialsRadiobiological parameter valuesClonogenic populationPatient ordersControl probabilityGyInput model parametersTrialsCohortPreliminary dosimetric comparison between fixed and rotating source stereotactic radiosurgery systems
Draeger E, Chen Z, Hansen J, Chiang V, Tien C. Preliminary dosimetric comparison between fixed and rotating source stereotactic radiosurgery systems. Journal Of Applied Clinical Medical Physics 2023, 24: e13907. PMID: 36660774, PMCID: PMC10161057, DOI: 10.1002/acm2.13907.Peer-Reviewed Original ResearchConceptsConformity indexRadiation Therapy Oncology Group conformity indexGK plansSuperior conformity indexNon-metastatic casesPaddick conformity indexDosimetric plan qualityGK patientsBrain metastasesRadiosurgery systemTrigeminal neuralgiaPrescription dosesGamma Knife systemMetastatic casesArteriovenous malformationsPituitary adenomasConformality indexLarge cohortDosimetric comparisonStereotactic radiosurgery systemGK IconPatientsCohortTreatment timeDosimetric results
2022
A small footprint couch‐top support device for image‐guided radiotherapy of heavy patients
Chen H, Morley K, Rodriguez R, Draeger E, Hassan M, Chen Z. A small footprint couch‐top support device for image‐guided radiotherapy of heavy patients. Journal Of Applied Clinical Medical Physics 2022, 23: e13788. PMID: 36267043, PMCID: PMC9797158, DOI: 10.1002/acm2.13788.Peer-Reviewed Original Research