2022
Child Neurology: Functional Reorganization Mediating Supplementary Motor Area Syndrome Recovery in Agenesis of the Corpus Callosum
Obaid S, Qureshi HM, Aljishi A, Shaikh N, Kundishora AJ, Bronen RA, DiLuna M, Damisah E. Child Neurology: Functional Reorganization Mediating Supplementary Motor Area Syndrome Recovery in Agenesis of the Corpus Callosum. Neurology 2022, 99: 161-165. PMID: 35618432, PMCID: PMC9421776, DOI: 10.1212/wnl.0000000000200772.Peer-Reviewed Case Reports and Technical NotesConceptsSMA syndromeFunctional recoveryCorpus callosumSupplementary motor area syndromeCorpus callosal fibersLow-grade gliomasMedial premotor cortexFunctional neuroimaging featuresSurgical resectionClinical presentationHealthy hemisphereTranscallosal fibersAcallosal patientsNeuroimaging featuresPreoperative fMRIParacentral lobuleLeft toePremotor cortexCallosal fibersPatientsSyndromeComplete ACCExact mechanismAgenesisCallosum
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
2006
Increased Number of Subcortical Hyperintensities on MRI in Children and Adolescents With Tourettes Syndrome, Obsessive-Compulsive Disorder, and Attention Deficit Hyperactivity Disorder
Amat JA, Bronen RA, Saluja S, Sato N, Zhu H, Gorman DA, Royal J, Peterson BS. Increased Number of Subcortical Hyperintensities on MRI in Children and Adolescents With Tourettes Syndrome, Obsessive-Compulsive Disorder, and Attention Deficit Hyperactivity Disorder. American Journal Of Psychiatry 2006, 163: 1106-1108. PMID: 16741215, PMCID: PMC2367225, DOI: 10.1176/ajp.2006.163.6.1106.Peer-Reviewed Original ResearchConceptsAttention deficit hyperactivity disorderCerebral hyperintensitiesObsessive-compulsive disorderHealthy comparison subjectsTourette syndromeDeficit hyperactivity disorderMagnetic resonance imagesComparison subjectsHyperactivity disorderT2-weighted magnetic resonance imagesChildhood neuropsychiatric disordersSubcortical injuryPatient groupSubcortical hyperintensitiesHyperintensitySyndromeDiagnostic groupsChildhood diagnosisNeuropsychiatric disordersDisordersResonance imagesSubcortexSubjectsChildrenAdolescents
2004
Long-term outcome after epilepsy surgery for focal cortical dysplasia.
Cohen-Gadol AA, Ozduman K, Bronen RA, Kim JH, Spencer DD. Long-term outcome after epilepsy surgery for focal cortical dysplasia. Journal Of Neurosurgery 2004, 101: 55-65. PMID: 15255252, DOI: 10.3171/jns.2004.101.1.0055.Peer-Reviewed Original ResearchConceptsFocal cortical dysplasiaImproved seizure outcomeLong-term outcomesCortical dysplasiaClear marginsEpileptogenic zoneSeizure outcomeMean ageMean durationRisk factorsCortical developmentIntracranial monitoringObvious risk factorsRare disabling seizuresTransient sensorimotor deficitsMultiple subpial transectionsSubgroup of patientsExtent of resectionVisual field defectsInclusion of patientsNormal functional anatomyReports of outcomesMagnetic resonance imagingFunctional MR imagingPartial lesionectomy
2003
Basal Ganglia Volumes in Patients With Gilles de la Tourette Syndrome
Peterson BS, Thomas P, Kane MJ, Scahill L, Zhang H, Bronen R, King RA, Leckman JF, Staib L. Basal Ganglia Volumes in Patients With Gilles de la Tourette Syndrome. JAMA Psychiatry 2003, 60: 415-424. PMID: 12695320, DOI: 10.1001/archpsyc.60.4.415.Peer-Reviewed Original ResearchConceptsBasal ganglia volumesBasal gangliaCaudate nucleus volumeTourette syndromeGanglia volumesObsessive-compulsive disorderLenticular nucleus volumesTic symptomsNucleus volumeGilles dePathophysiology of TSPrior neuroleptic exposureHealthy control subjectsSeverity of ticsComorbid obsessive-compulsive disorderGreat clinical relevanceAttention-deficit/hyperactivity disorder (ADHD) symptomsHyperactivity disorder symptomsRepeated-measures analysisNeuroleptic exposureControl subjectsFunctional disturbancesTrait abnormalityClinical relevanceGanglia
2000
Choroid plexus changes after temporal lobectomy.
Saluja S, Sato N, Kawamura Y, Coughlin W, Putman C, Spencer D, Sze G, Bronen R. Choroid plexus changes after temporal lobectomy. American Journal Of Neuroradiology 2000, 21: 1650-3. PMID: 11039344, PMCID: PMC8174865.Peer-Reviewed Original ResearchConceptsTemporal lobectomyChoroid plexusPostoperative changesResection siteNormal postoperative changesRecurrent brain tumorsContrast-enhanced T1-weighted imagesPresence of infectionContrast-enhanced MR imagingDegree of enhancementT1-weighted imagesChoroid plexus changesHippocampal sclerosisRecurrent tumorsIntractable epilepsyNodular patternPathologic changesPostoperative siteLobectomyBrain tumorsEnhancement patternSurgical manipulationPlexusMorphologic changesMR imagingMR 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
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
Postoperative changes in the brain: MR imaging findings in patients without neoplasms.
Sato N, Bronen R, Sze G, Kawamura Y, Coughlin W, Putman C, Spencer D. Postoperative changes in the brain: MR imaging findings in patients without neoplasms. Radiology 1997, 204: 839-46. PMID: 9280269, DOI: 10.1148/radiology.204.3.9280269.Peer-Reviewed Original ResearchConceptsPostoperative MR imagesPostoperative changesDural enhancementEnhancement patternThin linear enhancementContrast enhancement patternMagnetic resonance imagingMR imagesSurgical marginsTemporal lobectomyNeoplastic changesExtraaxial fluidIntracranial airContrast material-enhanced MR imagesDay 5Day 51Day 30Resonance imagingSurgeryBrainPatientsTime courseContrast enhancementLinear enhancementDaysQualitative MR imaging of refractory temporal lobe epilepsy requiring surgery: correlation with pathology and seizure outcome after surgery.
Bronen RA, Fulbright RK, King D, Kim JH, Spencer SS, Spencer DD, Lange RC. Qualitative MR imaging of refractory temporal lobe epilepsy requiring surgery: correlation with pathology and seizure outcome after surgery. American Journal Of Roentgenology 1997, 169: 875-82. PMID: 9275915, DOI: 10.2214/ajr.169.3.9275915.Peer-Reviewed Original ResearchConceptsFebrile seizure historyTemporal lobe epilepsyRefractory temporal lobe epilepsyHippocampal sclerosisSeizure historySeizure outcomeLobe epilepsyHistologic findingsNonspecific gliosisHippocampal atrophyIntractable temporal lobe epilepsyMild hippocampal atrophySimilar clinical conditionsMR imaging diagnosisPositive predictive valueMR imagesSignal intensity changesSegmental findingsNormal findingsClinical parametersNeuronal densityRetrospective studyClinical conditionsSclerosisSurgeryEconomic 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 costsLesionsSurgeryFocal 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 planning
1996
Refractory epilepsy: comparison of MR imaging, CT, and histopathologic findings in 117 patients.
Bronen RA, Fulbright RK, Spencer DD, Spencer SS, Kim JH, Lange RC, Sutilla C. Refractory epilepsy: comparison of MR imaging, CT, and histopathologic findings in 117 patients. Radiology 1996, 201: 97-105. PMID: 8816528, DOI: 10.1148/radiology.201.1.8816528.Peer-Reviewed Original ResearchAsperger's Syndrome
VOLKMAR F, KLIN A, SCHULTZ R, BRONEN R, MARANS W, SPARROW S, COHEN D. Asperger's Syndrome. Journal Of The American Academy Of Child & Adolescent Psychiatry 1996, 35: 118-123. PMID: 8567603, DOI: 10.1097/00004583-199601000-00020.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
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
Efficacy of Gadoteridol for Magnetic Resonance Imaging of the Brain and Spine
RUNGE V, BRONEN R, DAVIS K. Efficacy of Gadoteridol for Magnetic Resonance Imaging of the Brain and Spine. Investigative Radiology 1992, 27: s33. PMID: 1506150, DOI: 10.1097/00004424-199208001-00006.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingEfficacy of gadoteridolResonance imagingCentral nervous system pathologyMulticenter clinical trialNervous system pathologyIntravenous contrast agentsMagnetic resonance scansVisualization of pathologyRadiologic evidencePostcontrast scansSpinal lesionsClinical trialsIntravenous administrationPathologic lesionsSpinal pathologySystem pathologyResonance scansPrecontrast imagesSpinal casesIntracranial casesPathologyGadoteridolLesion bordersPatientsQuantitative magnetic resonance imaging in temporal lobe epilepsy: Relationship to neuropathology and neuropsychological function
Lencz T, McCarthy G, Bronen R, Scott T, Inserni J, Sass K, Novelly R, Kim J, Spencer D. Quantitative magnetic resonance imaging in temporal lobe epilepsy: Relationship to neuropathology and neuropsychological function. Annals Of Neurology 1992, 31: 629-637. PMID: 1514774, DOI: 10.1002/ana.410310610.Peer-Reviewed Original ResearchConceptsControl subjectsLeft temporal lobeTemporal lobeSeizure focusNeuronal densityHippocampal measurementsRight-handed control subjectsMagnetic resonance imagesHippocampal neuronal densityTemporal lobe originEpileptic temporal lobeTemporal lobe epilepsySignificant correlationQuantitative magnetic resonanceRefractory epilepsyLobe epilepsyPatient groupSelective Reminding TestHippocampal ratioLeft hippocampusHippocampal subfieldsPatientsWechsler Memory ScaleNeuropsychological functionHippocampus
1991
Imaging findings in hippocampal sclerosis: correlation with pathology.
Bronen R, Cheung G, Charles J, Kim J, Spencer D, Spencer S, Sze G, McCarthy G. Imaging findings in hippocampal sclerosis: correlation with pathology. American Journal Of Neuroradiology 1991, 12: 933-40. PMID: 1950925, PMCID: PMC8333515.Peer-Reviewed Original ResearchConceptsTemporal lobe epilepsyCryptogenic temporal lobe epilepsyHippocampal sclerosisLobe epilepsyHippocampal atrophyNeuronal densityPathologic criteriaQualitative histologic findingsUnilateral hippocampal atrophyNeuronal cell lossImportant therapeutic consequencesPreoperative radiologic imagingAdjacent white matterLong TR scansGranular cell layerTemporal lobectomyPreoperative diagnosisIntractable epilepsyRadiologic imagingHistologic findingsSurgical specimensCornu ammonisTherapeutic consequencesMR findingsTemporal lobeRelationship of hippocampus and amygdala to coronal MRI landmarks
Bronen R, Cheung G. Relationship of hippocampus and amygdala to coronal MRI landmarks. Magnetic Resonance Imaging 1991, 9: 449-457. PMID: 1881265, DOI: 10.1016/0730-725x(91)90434-n.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAmygdalaHippocampusHumansLimbic SystemMagnetic Resonance ImagingMiddle Aged
1989
MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis.
Sze G, Soletsky S, Bronen R, Krol G. MR imaging of the cranial meninges with emphasis on contrast enhancement and meningeal carcinomatosis. American Journal Of Roentgenology 1989, 153: 1039-49. PMID: 2801423, DOI: 10.2214/ajr.153.5.1039.Peer-Reviewed Original ResearchConceptsContrast-enhanced CTAbnormal meningeal enhancementMeningeal carcinomatosisMeningeal enhancementInner tableMR imagingGroup of patientsDiffuse meningeal enhancementContrast-enhanced MRAbnormal findingsLeptomeningeal tumorSubdural hematomaInflammatory conditionsGroup 2Postoperative defectsGroup 1CarcinomatosisSkull lesionsGroup 3Pathologic conditionsNormal meningesMeningesPatientsCranial meningesHead scans