2022
The changing landscape in epilepsy imaging: Unmasking subtle and unique entities
Adin ME, Department of Radiology and Biomedical Imaging Y, Durand D, Zucconi W, Huttner A, Spencer D, Bronen R, Department of Radiology Abbott Northwestern Hospital M, Department of Pathology Y, Department of Neurosurgery Y. The changing landscape in epilepsy imaging: Unmasking subtle and unique entities. Diagnostic And Interventional Radiology 2022, 28: 503-515. PMID: 35997478, PMCID: PMC9682800, DOI: 10.5152/dir.2022.21339.Peer-Reviewed Original ResearchConceptsHippocampal sclerosisCortical developmentLocalization-related epilepsyTemporal lobe encephaloceleFocal cortical dysplasiaFocal cortical dysplasia IIbField of epilepsyEpileptogenic abnormalitiesAutoimmune encephalitisRasmussen's encephalitisCommon etiologyCortical dysplasiaEpilepsy surgeryEpileptogenic substrateTuberous sclerosisEpilepsy imagingHippocampal malformationsMTOR pathwayEncephalitisSclerosisMR imagingMalformationsUnique entitySurgeryEpilepsyDorsal bed nucleus of stria terminalis in depressed and nondepressed temporal lobe epilepsy patients
Dhaher R, Bronen RA, Spencer L, Colic L, Brown F, Mian A, Sandhu M, Pittman B, Spencer D, Blumberg HP, Altalib H. Dorsal bed nucleus of stria terminalis in depressed and nondepressed temporal lobe epilepsy patients. Epilepsia 2022, 63: 2561-2570. PMID: 35883245, DOI: 10.1111/epi.17377.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyDorsal bed nucleusTLE patientsEpilepsy patientsBed nucleusHC subjectsStria terminalisTemporal lobe epilepsy patientsMini International Neuropsychiatric InterviewMagnetic resonance imaging (MRI) scansTreatment-resistant depressionComprehensive Epilepsy CenterHealthy control subjectsStructural magnetic resonance imaging (MRI) scansResonance imaging scansNumber of patientsCase-control studyInternational Neuropsychiatric InterviewMajor depressive disorderCommon comorbid disordersHuman clinical studiesEpilepsy centersLobe epilepsyComorbid depressionControl subjects
2021
Imaging of Neuromodulation and Surgical Interventions for Epilepsy
Adin ME, Spencer DD, Damisah E, Herlopian A, Gerrard JL, Bronen RA. Imaging of Neuromodulation and Surgical Interventions for Epilepsy. American Journal Of Neuroradiology 2021, 42: 1742-1750. PMID: 34353787, PMCID: PMC8562735, DOI: 10.3174/ajnr.a7222.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsSurgical interventionPostoperative imaging findingsMultiple subpial transectionsComprehensive Epilepsy CenterGroup of patientsVagus nerve stimulationDeep brain stimulationInvasive treatment decisionsNew surgical interventionLobar resectionSubpial transectionMedical therapyEpilepsy centersImaging findingsNerve stimulationTreatment algorithmTherapeutic optionsTreatment modalitiesEpilepsy interventionsPotential complicationsEpilepsy casesTreatment decisionsBrain stimulationResponsive neurostimulationNeuromodulation techniques
2018
Presurgical language fMRI: Technical practices in epilepsy surgical planning
Benjamin CFA, Dhingra I, Li AX, Blumenfeld H, Alkawadri R, Bickel S, Helmstaedter C, Meletti S, Bronen RA, Warfield SK, Peters JM, Reutens D, Połczyńska MM, Hirsch LJ, Spencer DD. Presurgical language fMRI: Technical practices in epilepsy surgical planning. Human Brain Mapping 2018, 39: 4032-4042. PMID: 29962111, PMCID: PMC6175127, DOI: 10.1002/hbm.24229.Peer-Reviewed Original ResearchConceptsLanguage functional MRIFunctional MRISurgical planningEpilepsy surgical planningEpilepsy surgical programsGeneral linear modelingBlood flowClinical practicePatient careSurgical programsRoutine useMarked heterogeneityClinical applicationVerbal fluencyData highlightFMRI dataMost programsPatientsWidespread useEpilepsyIndividualsMRICarePresurgical language fMRI: Clinical practices and patient outcomes in epilepsy surgical planning
Benjamin CFA, Li AX, Blumenfeld H, Constable RT, Alkawadri R, Bickel S, Helmstaedter C, Meletti S, Bronen R, Warfield SK, Peters JM, Reutens D, Połczyńska M, Spencer DD, Hirsch LJ. Presurgical language fMRI: Clinical practices and patient outcomes in epilepsy surgical planning. Human Brain Mapping 2018, 39: 2777-2785. PMID: 29528160, PMCID: PMC6033659, DOI: 10.1002/hbm.24039.Peer-Reviewed Original ResearchConceptsLanguage functional MRISurgical marginsFunctional MRIPatient outcomesClinical practiceEpilepsy surgical planningEpilepsy surgical programsCurrent clinical practiceDirect brain stimulationEpilepsy surgeryStimulation mappingBrain stimulationClinical teamLanguage lateralizationSurgical programsSurgical planningLanguage-critical areasFMRI findingsFMRI paradigmUnexpected preservationFurther validationLanguage declineAdultsOutcomesChildren
2009
Frequency, prognosis and surgical treatment of structural abnormalities seen with magnetic resonance imaging in childhood epilepsy
Berg AT, Mathern GW, Bronen RA, Fulbright RK, DiMario F, Testa FM, Levy SR. Frequency, prognosis and surgical treatment of structural abnormalities seen with magnetic resonance imaging in childhood epilepsy. Brain 2009, 132: 2785-2797. PMID: 19638447, PMCID: PMC2759335, DOI: 10.1093/brain/awp187.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge of OnsetAnticonvulsantsBrainChildChild, PreschoolCognitionCohort StudiesDrug ResistanceEpilepsyFemaleFunctional LateralityHumansImage Processing, Computer-AssistedInfantLogistic ModelsMagnetic Resonance ImagingMaleNeurologic ExaminationNeuropsychological TestsNeurosurgical ProceduresPrognosisSclerosisTomography, X-Ray ComputedConceptsMagnetic resonance imagingPositive MRI scansEpilepsy patientsMRI scansEpilepsy syndromesEpilepsy evaluationSurgical proceduresMultiple logistic regression analysisUse of MRIComprehensive epilepsy evaluationNon-idiopathic patientsPediatric epilepsy patientsComprehensive Epilepsy CenterPositive MRI findingsCommunity-based cohortNormal neurological examPre-surgical evaluationLogistic regression analysisIdiopathic epilepsy syndromesFrequency of lesionsClinical factorsMRI abnormalitiesMRI findingsNeurological examSurgical treatment
2000
Cerebrospinal Fluid Cleft with Cortical Dimple: MR Imaging Marker for Focal Cortical Dysgenesis
Bronen RA, Spencer DD, Fulbright RK. Cerebrospinal Fluid Cleft with Cortical Dimple: MR Imaging Marker for Focal Cortical Dysgenesis. Radiology 2000, 214: 657-63. PMID: 10715026, DOI: 10.1148/radiology.214.3.r00mr40657.Peer-Reviewed Original ResearchMR Imaging and Histologic Features of Subinsular Bright Spots on T2-weighted MR Images: Virchow-Robin Spaces of the Extreme Capsule and Insular Cortex
Song C, Kim J, Kier E, Bronen R. MR Imaging and Histologic Features of Subinsular Bright Spots on T2-weighted MR Images: Virchow-Robin Spaces of the Extreme Capsule and Insular Cortex. Radiology 2000, 214: 671-677. PMID: 10715028, DOI: 10.1148/radiology.214.3.r00mr17671.Peer-Reviewed Original ResearchConceptsInsular cortexExtreme capsuleMR imagingControl subjectsBrain specimensPerivascular spacesFormalin-fixed brain specimensFluid-attenuated inversion recovery sequencesVirchow-Robin spacesT2-weighted magnetic resonance imagesCoronal T2-weighted imagesT2-weighted imagesCoronal MR imagesHigh signal intensityT2-weighted MR imagesInversion recovery sequenceHistologic featuresHistologic findingsCerebrospinal fluidMR imagesPatientsWhite matterPathologic conditionsGross anatomic inspectionMagnetic resonance images
1999
MR imaging of implanted depth and subdural electrodes: is it safe?
Davis L, Spencer D, Spencer S, Bronen R. MR imaging of implanted depth and subdural electrodes: is it safe? Epilepsy Research 1999, 35: 95-98. PMID: 10372562, DOI: 10.1016/s0920-1211(99)00007-8.Peer-Reviewed Original Research
1998
Surgical outcome in occipital lobe epilepsy: Implications for pathophysiology
Aykut‐Bingol C, Bronen R, Kim J, Spencer D, Spencer S. Surgical outcome in occipital lobe epilepsy: Implications for pathophysiology. Annals Of Neurology 1998, 44: 60-69. PMID: 9667593, DOI: 10.1002/ana.410440112.Peer-Reviewed Original ResearchConceptsOccipital lobe epilepsyClinical seizure characteristicsFocal cortical dysplasiaLobe epilepsyLobe locationPathological substrateSeizure characteristicsSurgical outcomesCortical dysplasiaSurgical approachSurgical proceduresRefractory occipital lobe epilepsyDevelopmental abnormalitiesOccipital lobe seizuresChronic inflammatory changesSturge-Weber syndromeMain pathological substrateOccipital lobe tumorElectroclinical variablesElectroclinical featuresMost patientsSeizure controlChronic epilepsyInflammatory changesLobe tumors
1997
A systematic approach for interpreting MR images of the seizure patient.
Bronen RA, Fulbright RK, Kim JH, Spencer SS, Spencer DD. A systematic approach for interpreting MR images of the seizure patient. American Journal Of Roentgenology 1997, 169: 241-7. PMID: 9207533, DOI: 10.2214/ajr.169.1.9207533.Peer-Reviewed Original ResearchConceptsSubtle cortical abnormalitiesFalse-negative diagnosesHippocampal sclerosisAbnormal findingsEpileptogenic lesionsCortical thickeningSeizure patientsCortical abnormalitiesLateral ventriclePeriventricular regionEpilepsy patientsMR findingsHigh indexMorphologic abnormalitiesPeriventricular heterotopiaDual abnormalitiesGray matterDevelopmental anomaliesAbnormalitiesMR scansCortical processesMass effectHead rotationPatientsHippocampusFocal cortical dysplasia of Taylor, balloon cell subtype: MR differentiation from low-grade tumors.
Bronen RA, Vives KP, Kim JH, Fulbright RK, Spencer SS, Spencer DD. Focal cortical dysplasia of Taylor, balloon cell subtype: MR differentiation from low-grade tumors. American Journal Of Neuroradiology 1997, 18: 1141-51. PMID: 9194442, PMCID: PMC8337292.Peer-Reviewed Original ResearchConceptsFocal cortical dysplasiaLow-grade tumorsCortical dysplasiaMR findingsLobe locationLow-grade glial neoplasmTemporal lobe locationSubcortical white matterFrontal lobe locationSurgical resectionCortical thickeningClinical variablesIntractable epilepsyGlial neoplasmsHyperintense signalLateral ventricleMR featuresWhite matterNeoplastic tissueCell subtypesDysplasiaPatientsMR variablesNeoplasmsSurgical planningEconomic impact of replacing CT with MR imaging for refractory epilepsy
Bronen R, Fulbright R, Spencer S, Spencer D, Kim J, Lange R. Economic impact of replacing CT with MR imaging for refractory epilepsy. Magnetic Resonance Imaging 1997, 15: 857-862. PMID: 9309616, DOI: 10.1016/s0730-725x(97)00047-7.Peer-Reviewed Original ResearchConceptsPreoperative evaluationRefractory epilepsyPositive imaging findingsRefractory epilepsy patientsPositive magnetic resonanceMagnetic resonanceIntracranial electroencephalogram monitoringSurgical ameliorationNormal CTImaging findingsPreoperative localizationIntractable epilepsyVascular lesionsEpileptogenic zoneElectroencephalogram monitoringPreoperative CTEpilepsy patientsPatientsMR imagingEpilepsyCTVascular substratesHealth costsLesionsSurgery
1995
Is there any role for gadopentetate dimeglumine administration when searching for mesial temporal sclerosis in patients with seizures?
Bronen R. Is there any role for gadopentetate dimeglumine administration when searching for mesial temporal sclerosis in patients with seizures? American Journal Of Roentgenology 1995, 164: 503. PMID: 7839999, DOI: 10.2214/ajr.164.2.7839999.Commentaries, Editorials and Letters
1994
Quantitative MR for epilepsy: a clinical and research tool?
Bronen R, Anderson A, Spencer D. Quantitative MR for epilepsy: a clinical and research tool? American Journal Of Neuroradiology 1994, 15: 1157-60. PMID: 8073987, PMCID: PMC8333470.Commentaries, Editorials and Letters
1993
MR findings after depth electrode implantation for medically refractory epilepsy.
Merriam M, Bronen R, Spencer D, McCarthy G. MR findings after depth electrode implantation for medically refractory epilepsy. American Journal Of Neuroradiology 1993, 14: 1343-6. PMID: 8279329, PMCID: PMC8367502.Peer-Reviewed Original ResearchConceptsDepth electrode implantationProbe tractRefractory epilepsyChronic changesElectrode implantationEvidence of gliosisElectrode placementProbe placementRare complicationDepth electrode placementRetrospective reviewIntraparenchymal hemorrhageSignificant hemorrhageSeizure focusBrain parenchymaSignal abnormalitiesStereotactic placementLower incidenceMR findingsAngiographic dataHemorrhagePatientsDepth electrodesSpin-echo imagesMR scans
1992
Epilepsy: the role of MR imaging.
Bronen R. Epilepsy: the role of MR imaging. American Journal Of Roentgenology 1992, 159: 1165-74. PMID: 1442376, DOI: 10.2214/ajr.159.6.1442376.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsMR imagingTemporal lobe epilepsyLong TR imagesPositron emission tomographySingle photon emissionEpileptogenic abnormalitiesHippocampal sclerosisPreoperative evaluationSurgical treatmentLobe epilepsyHigh success rateCommon causeUncontrollable seizuresEmission tomographyTechnique of choiceEpilepsyFunctional imagingSuccess ratePatientsSeizuresTR imagesImagingTomographyMRSclerosis
1991
MRI of the temporal lobe: Normal variations, with special reference toward epilepsy
Bronen R, Cheung G. MRI of the temporal lobe: Normal variations, with special reference toward epilepsy. Magnetic Resonance Imaging 1991, 9: 501-507. PMID: 1779721, DOI: 10.1016/0730-725x(91)90036-l.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingTemporal hornTemporal lobeCollateral sulcusCoronal magnetic resonance imagingTemporal horn dilatationMild asymmetryRight temporal lobeTemporal lobe structuresHippocampal sclerosisChoroidal fissureNormal variationMild enlargementFrequent findingHippocampal headNormal volunteersWhite matterAlzheimer's diseaseResonance imagingLobe structuresOccipitotemporal sulcusAdjacent vesselsHead rotationSclerosisSulcus