2018
Superior Pituitary Border Analysis in Immunotherapy-Induced Hypophysitis
Pucar D, Boustani AM, Bronen RA, Saperstein L. Superior Pituitary Border Analysis in Immunotherapy-Induced Hypophysitis. Clinical Nuclear Medicine 2018, 43: 284-286. PMID: 29401149, DOI: 10.1097/rlu.0000000000001981.Peer-Reviewed Educational MaterialsConceptsSinus diseasePituitary swellingSevere headacheVisual disturbancesLaboratory findingsMetastatic melanomaPituitary abnormalitiesRetrospective analysisContrast CTNoncontrast CTPituitary hormonesHypophysitisHeadacheDiseaseDiagnosisCTLow levelsNivolumabHypermetabolismImmunotherapyPETMelanomaAbnormalitiesFindingsHormone
2017
Long-term outcomes of tissue-based ACTH-antibody assay-guided transsphenoidal resection of pituitary adenomas in Cushing disease.
Erfe JM, Perry A, McClaskey J, Inzucchi SE, James WS, Eid T, Bronen RA, Mahajan A, Huttner A, Santos F, Spencer D. Long-term outcomes of tissue-based ACTH-antibody assay-guided transsphenoidal resection of pituitary adenomas in Cushing disease. Journal Of Neurosurgery 2017, 129: 629-641. PMID: 29027854, DOI: 10.3171/2017.3.jns162245.Peer-Reviewed Original ResearchConceptsTranssphenoidal resectionMRI studiesCushing's diseaseCortisol levelsLong-term corticosteroid therapyUrinary free cortisol levelsLong-term disease remissionLong-term patient outcomesResults Fourteen patientsLong-term outcomesPostoperative MRI studiesSurgical tumor samplesFree cortisol levelsPreoperative MRI studiesPrecise tumor localizationACTH antibodiesPituitary microCorticosteroid therapyStudy patientsDisease remissionFourteen patientsRemission rateRetrospective reviewTreatment failureCure rate
2014
Brainstem melanomas presenting as a cavernous malformation
Lu AY, Patel AR, Kuzmik GA, Atsina K, Bronen RA, Jabbour PM, Hasan DM, Vortmeyer AO, Welch BG, Bulsara KR. Brainstem melanomas presenting as a cavernous malformation. Neurochirurgie 2014, 60: 184-187. PMID: 24856047, DOI: 10.1016/j.neuchi.2014.02.005.Peer-Reviewed Case Reports and Technical NotesConceptsCavernous malformationsClinical courseWhole-brain radiation therapyAcute pontine hemorrhageRight dorsal midbrainWhole brain radiationAggressive clinical courseRepeat hemorrhageMelanoma presentingSurgical resectionBrainstem hemorrhagePontine hemorrhagePoor prognosisTreatment modalitiesHemorrhagic lesionsRadiation therapyDorsal midbrainStereotactic radiosurgeryMelanoma lesionsLesionsHemorrhageMelanomaMalformationsResectionBrainstem
2010
Whole-exome sequencing identifies recessive WDR62 mutations in severe brain malformations
Bilgüvar K, Öztürk A, Louvi A, Kwan KY, Choi M, Tatlı B, Yalnızoğlu D, Tüysüz B, Çağlayan A, Gökben S, Kaymakçalan H, Barak T, Bakırcıoğlu M, Yasuno K, Ho W, Sanders S, Zhu Y, Yılmaz S, Dinçer A, Johnson MH, Bronen RA, Koçer N, Per H, Mane S, Pamir MN, Yalçınkaya C, Kumandaş S, Topçu M, Özmen M, Šestan N, Lifton RP, State MW, Günel M. Whole-exome sequencing identifies recessive WDR62 mutations in severe brain malformations. Nature 2010, 467: 207-210. PMID: 20729831, PMCID: PMC3129007, DOI: 10.1038/nature09327.Peer-Reviewed Original ResearchConceptsAbnormal cortical developmentWD repeat domain 62 (WDR62) geneSevere brain malformationsWhole-exome sequencingBrain abnormalitiesBrain malformationsCortical developmentMolecular pathogenesisCerebellar hypoplasiaWDR62 mutationsEmbryonic neurogenesisDiagnostic classificationMicrocephaly genesSmall family sizeGenetic heterogeneityWide spectrumRecessive mutationsPachygyriaPathogenesisHypoplasiaNeocortexNeurogenesisAbnormalitiesMalformationsMutations
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 imagesSubcortexSubjectsChildrenAdolescentsVolumetry of amygdala and hippocampus and memory performance in Alzheimer's disease
Basso M, Yang J, Warren L, MacAvoy MG, Varma P, Bronen RA, van Dyck CH. Volumetry of amygdala and hippocampus and memory performance in Alzheimer's disease. Psychiatry Research 2006, 146: 251-261. PMID: 16524704, DOI: 10.1016/j.pscychresns.2006.01.007.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingAD patientsAmygdaloid volumesAlzheimer's diseaseHealthy controlsHippocampal volumeAlzheimer's Disease Assessment Scale-CognitionMedial temporal lobe atrophyTemporal lobe atrophyOlder healthy subjectsADAS-Cog subscaleHealthy control samplesLobe atrophyAD groupHealthy subjectsAnalysis of covarianceMRI studiesProdromal stagePatientsResonance imagingMildest symptomsNeuropsychological assessmentNeuropsychological performanceHippocampusDisease
2005
Apolipoprotein E epsilon4 is associated with atrophy of the amygdala in Alzheimer's disease
Basso M, Gelernter J, Yang J, MacAvoy MG, Varma P, Bronen RA, van Dyck CH. Apolipoprotein E epsilon4 is associated with atrophy of the amygdala in Alzheimer's disease. Neurobiology Of Aging 2005, 27: 1416-1424. PMID: 16182410, DOI: 10.1016/j.neurobiolaging.2005.08.002.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseAD patientsAPOE epsilon4AD groupImportant genetic risk factorApolipoprotein E epsilon4Regional brain atrophyAPOE epsilon4 alleleElderly control subjectsNormal elderly control subjectsGenetic risk factorsAmygdaloid volumesBrain atrophyControl subjectsEpsilon4 carriersRisk factorsEpsilon4 alleleHippocampal volumeEpsilon4 doseAnalysis of covarianceDisease severityPatientsEpsilon4AmygdalaAtrophy
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
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 imagesAspergers Disorder
Volkmar F, Klin A, Schultz R, Rubin E, Bronen R. Aspergers Disorder. American Journal Of Psychiatry 2000, 157: 262-267. PMID: 10671397, DOI: 10.1176/appi.ajp.157.2.262.Peer-Reviewed Educational Materials
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
Qualitative 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 conditionsSclerosisSurgeryPostoperative 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 enhancementDaysA 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 rotationPatientsHippocampusPredicting Reading Performance From Neuroimaging Profiles: The Cerebral Basis of Phonological Effects in Printed Word Identification
Pugh K, Shaywitz B, Shaywitz S, Shankweiler D, Katz L, Fletcher J, Skudlarski P, Fulbright R, Constable R, Bronen R, Lacadie C, Gore J. Predicting Reading Performance From Neuroimaging Profiles: The Cerebral Basis of Phonological Effects in Printed Word Identification. Journal Of Experimental Psychology Human Perception & Performance 1997, 23: 299-318. PMID: 9103996, DOI: 10.1037/0096-1523.23.2.299.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingPhonological effectsLexical decision taskLexical decision latenciesLexical-semantic processesBrain activation patternsWord identificationWord recognitionDecision taskDecision latenciesRegularity effectIndividual differencesFMRI measuresHemispheric lateralizationCerebral basisExperimental paradigmActivation patternsCortical regionsLength effectYoung adultsTaskParticipantsReadingMeasuresMagnetic resonance imagingPositron Emission Tomography Measurement of Cerebral Metabolic Correlates of Yohimbine Administration in Combat-Related Posttraumatic Stress Disorder
Bremner JD, Innis RB, Ng CK, Staib LH, Salomon RM, Bronen RA, Duncan J, Southwick SM, Krystal JH, Rich D, Zubal G, Dey H, Soufer R, Charney DS. Positron Emission Tomography Measurement of Cerebral Metabolic Correlates of Yohimbine Administration in Combat-Related Posttraumatic Stress Disorder. JAMA Psychiatry 1997, 54: 246-254. PMID: 9075465, DOI: 10.1001/archpsyc.1997.01830150070011.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderAdministration of yohimbineNorepinephrine releaseHealthy subjectsHealthy age-matched control subjectsAge-matched control subjectsStress disorderDouble-blind fashionPositron emission tomography (PET) measurementsBrain metabolic responsesCerebral metabolic correlatesBrain norepinephrine releaseSymptoms of anxietyPositron emission tomographyBrain metabolismControl subjectsYohimbine administrationPreclinical studiesMetabolic correlatesCaudate nucleusPatientsYohimbineVietnam combat veteransEmission tomographyOrbitofrontal cortexFocal 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