2020
Prediction of post-radiotherapy locoregional progression in HPV-associated oropharyngeal squamous cell carcinoma using machine-learning analysis of baseline PET/CT radiomics
Haider SP, Sharaf K, Zeevi T, Baumeister P, Reichel C, Forghani R, Kann BH, Petukhova A, Judson BL, Prasad ML, Liu C, Burtness B, Mahajan A, Payabvash S. Prediction of post-radiotherapy locoregional progression in HPV-associated oropharyngeal squamous cell carcinoma using machine-learning analysis of baseline PET/CT radiomics. Translational Oncology 2020, 14: 100906. PMID: 33075658, PMCID: PMC7568193, DOI: 10.1016/j.tranon.2020.100906.Peer-Reviewed Original ResearchOropharyngeal squamous cell carcinomaLocoregional progressionSquamous cell carcinomaRisk stratificationCell carcinomaPrimary tumorBaseline PET/CT scansPET/CT scansBaseline PET/CTKaplan-Meier analysisPET/CT RadiomicsMetastatic cervical lymphPET/CTObjective imaging biomarkersLog-rank p-valueMedian C-indexCervical lymphCT radiomic featuresLocoregional failurePatient selectionTherapeutic challengeObjective biomarkersC-indexCT scanIndependent cohort
2019
Multi-Institutional Validation of Deep Learning for Pretreatment Identification of Extranodal Extension in Head and Neck Squamous Cell Carcinoma.
Kann BH, Hicks DF, Payabvash S, Mahajan A, Du J, Gupta V, Park HS, Yu JB, Yarbrough WG, Burtness BA, Husain ZA, Aneja S. Multi-Institutional Validation of Deep Learning for Pretreatment Identification of Extranodal Extension in Head and Neck Squamous Cell Carcinoma. Journal Of Clinical Oncology 2019, 38: 1304-1311. PMID: 31815574, DOI: 10.1200/jco.19.02031.Peer-Reviewed Original ResearchConceptsNeck squamous cell carcinomaExtranodal extensionSquamous cell carcinomaLymph nodesCell carcinomaContrast-enhanced CT scanDiagnostic abilityBoard-certified neuroradiologistsTreatment escalationCancer Genome AtlasPathologic confirmationPretreatment identificationDiagnostic challengeExternal validation data setsPathology resultsPretreatment imagingPoor prognosticatorClinical utilityCT scanPatientsClinical decisionHNSCCDiagnostic accuracyInstitutional ValidationGenome Atlas
2015
Bilateral persistent fetal vasculature due to a mutation in the Norrie disease protein gene
Payabvash S, Anderson JS, Nascene DR. Bilateral persistent fetal vasculature due to a mutation in the Norrie disease protein gene. The Neuroradiology Journal 2015, 28: 623-627. PMID: 26459204, PMCID: PMC4757132, DOI: 10.1177/1971400915609350.Peer-Reviewed Original ResearchMeSH KeywordsBlindnessEye ProteinsGenetic Diseases, X-LinkedHumansInfantMagnetic Resonance ImagingMaleMutationNerve Tissue ProteinsNervous System DiseasesOptic DiskPersistent Fetal Circulation SyndromeRetinal DegenerationRetinal DiseasesRetinal HemorrhageSpasms, InfantileTomography, X-Ray ComputedVitreous BodyDetection of Intraparenchymal Hemorrhage After Endovascular Therapy in Patients with Acute Ischemic Stroke Using Immediate Postprocedural Flat‐Panel Computed Tomography Scan
Payabvash S, Khan AA, Qureshi MH, Saeed O, Suri MF, Qureshi AI. Detection of Intraparenchymal Hemorrhage After Endovascular Therapy in Patients with Acute Ischemic Stroke Using Immediate Postprocedural Flat‐Panel Computed Tomography Scan. Journal Of Neuroimaging 2015, 26: 213-218. PMID: 26282065, DOI: 10.1111/jon.12277.Peer-Reviewed Original ResearchConceptsMultidetector CT studiesNegative predictive valueIschemic stroke patientsIntraparenchymal hemorrhageCT scanEndovascular treatmentHyperdense lesionParenchymal lesionsStroke patientsPredictive valueCT studiesMultidetector CTAcute ischemic stroke patientsAcute ischemic strokeAcute stroke patientsMultidetector CT scanPositive predictive valueEndovascular therapyIschemic strokePost procedureTomography scanSeparate cohortSuch lesionsPatientsDiagnostic valueMiddle Cerebral Artery Residual Contrast Stagnation on Noncontrast CT Scan Following Endovascular Treatment in Acute Ischemic Stroke Patients
Payabvash S, Qureshi MH, Taleb S, Pawar S, Qureshi AI. Middle Cerebral Artery Residual Contrast Stagnation on Noncontrast CT Scan Following Endovascular Treatment in Acute Ischemic Stroke Patients. Journal Of Neuroimaging 2015, 25: 946-951. PMID: 25684437, DOI: 10.1111/jon.12211.Peer-Reviewed Original ResearchConceptsAcute ischemic stroke patientsMCA M1 occlusionIschemic stroke patientsIntraparenchymal hemorrhageEndovascular treatmentContrast stagnationCT scanPostprocedural CT scanNoncontrast CT scanStroke patientsM1 occlusionContralateral arteryHounsfield unitsAverage HU valueM1 segmentRelative riskNoncontrast CTPatientsScansArteryTreatmentAttenuation differenceHU valuesOcclusionRisk
2014
Differentiating intraparenchymal hemorrhage from contrast extravasation on post-procedural noncontrast CT scan in acute ischemic stroke patients undergoing endovascular treatment
Payabvash S, Qureshi MH, Khan SM, Khan M, Majidi S, Pawar S, Qureshi AI. Differentiating intraparenchymal hemorrhage from contrast extravasation on post-procedural noncontrast CT scan in acute ischemic stroke patients undergoing endovascular treatment. Neuroradiology 2014, 56: 737-744. PMID: 24925217, DOI: 10.1007/s00234-014-1381-8.Peer-Reviewed Original ResearchConceptsPost-procedural CT scanAcute ischemic stroke patientsIschemic stroke patientsContrast extravasationIntraparenchymal hemorrhageEndovascular treatmentStroke patientsCT scanNoncontrast CT scanHyperdense lesionHounsfield unitsParenchymal lesionsImaging recordsIntroductionThis studyHemorrhagePatientsExtravasationLesionsScansHyperdensityHyperdenseTreatmentAverage attenuationCharacteristic analysisResultsOf
2011
Cranial CT with Adaptive Statistical Iterative Reconstruction: Improved Image Quality with Concomitant Radiation Dose Reduction
Rapalino O, Kamalian S, Kamalian S, Payabvash S, Souza LC, Zhang D, Mukta J, Sahani DV, Lev MH, Pomerantz SR. Cranial CT with Adaptive Statistical Iterative Reconstruction: Improved Image Quality with Concomitant Radiation Dose Reduction. American Journal Of Neuroradiology 2011, 33: 609-615. PMID: 22207302, PMCID: PMC8050448, DOI: 10.3174/ajnr.a2826.Peer-Reviewed Original ResearchConceptsHead CTRadiation dose reductionAdult head CTBlinded qualitative analysisHigh-dose onesUse of ASIRCT radiation dose reductionASIR levelsHounsfield unit measurementsAdult patientsLow-dose scansBrain parenchymaCranial CTRoutine doseLow radiation dosesDose reductionCT scanLow-dose CT datasetAdaptive statistical iterative reconstructionPatient healthASIR reconstructionNormal GMsCTDose scansGM-WM differentiation