2023
Neuropathology of New-Onset Refractory Status Epilepticus (NORSE)
Hanin A, Cespedes J, Huttner A, Strelnikov D, Gopaul M, DiStasio M, Vezzani A, Hirsch L, Aronica E. Neuropathology of New-Onset Refractory Status Epilepticus (NORSE). Journal Of Neurology 2023, 270: 3688-3702. PMID: 37079033, DOI: 10.1007/s00415-023-11726-x.Peer-Reviewed Original ResearchConceptsNew-onset refractory status epilepticusCryptogenic new-onset refractory status epilepticusRefractory status epilepticusNeuropathology findingsStatus epilepticusSecondary neuronal injuryCryptogenic casesFebrile illnessNeuronal injuryExtensive workupNeuropathological evaluationEpilepsy surgeryPathophysiological mechanismsUnknown causePatient managementLong-term consequencesSevere formSpecific treatmentEpilepticusTissue samplesBiopsyPatientsFindings of studiesAutopsiesFindingsReview and standard operating procedures for collection of biospecimens and analysis of biomarkers in new onset refractory status epilepticus
Hanin A, Cespedes J, Pulluru Y, Gopaul M, Aronica E, Decampo D, Helbig I, Howe C, Huttner A, Koh S, Navarro V, Taraschenko O, Vezzani A, Wilson M, Xian J, Gaspard N, Hirsch L. Review and standard operating procedures for collection of biospecimens and analysis of biomarkers in new onset refractory status epilepticus. Epilepsia 2023, 64: 1444-1457. PMID: 37039049, PMCID: PMC10756682, DOI: 10.1111/epi.17600.Peer-Reviewed Original ResearchConceptsNew-onset refractory status epilepticusFebrile infection-related epilepsy syndromeRefractory status epilepticusStatus epilepticusCollection of biospecimensManagement of patientsStatus epilepticus patientsBetter clinical managementDisease-specific therapiesFebrile illnessStudy cohortEpilepsy syndromesOutcome endpointsStandard operating proceduresClinical managementRare conditionSevere formAnalysis of biomarkersPatientsMulticenter researchEpilepticusSpecific biomarkersExact causeSmall sample sizeBiospecimen collection
2022
Spectrum of qualitative and quantitative imaging of pilomyxoid, intermediate pilomyxoid and pilocytic astrocytomas in relation to their genetic alterations
Fadel SA, von Reppert M, Kazarian E, Omay EZE, Marks A, Linder N, Hoffmann KT, Darbinyan A, Huttner A, Aboian MS. Spectrum of qualitative and quantitative imaging of pilomyxoid, intermediate pilomyxoid and pilocytic astrocytomas in relation to their genetic alterations. Neuroradiology 2022, 65: 195-205. PMID: 35984480, DOI: 10.1007/s00234-022-03027-3.Peer-Reviewed Original ResearchConceptsPilocytic astrocytomaImaging characteristicsADC valuesAggressive imaging characteristicsSuprasellar pilocytic astrocytomaRecurrence/progressionPediatric brain tumorsFrontal white matterWhole-exome sequencingPilomyxoid astrocytomaIntraventricular extensionSuprasellar regionThird ventriclePosterior fossaAtypical locationBrain tumorsWhite matterGrade 1TumorsAstrocytomasDriver mutationsExome sequencingGenetic alterationsPatientsHippocampusCross-platform analysis reveals cellular and molecular landscape of glioblastoma invasion
Chen AT, Xiao Y, Tang X, Baqri M, Gao X, Reschke M, Sheu WC, Long G, Zhou Y, Deng G, Zhang S, Deng Y, Bai Z, Kim D, Huttner A, Kunes R, Günel M, Moliterno J, Saltzman WM, Fan R, Zhou J. Cross-platform analysis reveals cellular and molecular landscape of glioblastoma invasion. Neuro-Oncology 2022, 25: 482-494. PMID: 35901838, PMCID: PMC10013636, DOI: 10.1093/neuonc/noac186.Peer-Reviewed Original ResearchConceptsCrystallin alpha BTumor invasionGBM invasionHistology samplesMolecular landscapeTreatment of glioblastomaPostoperative recurrenceGBM patientsInvasive glioblastomaResection modelGlioblastomaNon-invasive counterpartsGBM samplesGlioblastoma invasionCD44PatientsInvasionAlpha BCellular levelTranscriptomic featuresRNA sequencing dataRecurrenceHistology stainsLevelsDiseaseHistological changes associated with laser interstitial thermal therapy for radiation necrosis: illustrative cases
Fomchenko EI, Leelatian N, Darbinyan A, Huttner AJ, Chiang VL. Histological changes associated with laser interstitial thermal therapy for radiation necrosis: illustrative cases. Journal Of Neurosurgery Case Lessons 2022, 4: case21373. PMID: 35855352, PMCID: PMC9257400, DOI: 10.3171/case21373.Peer-Reviewed Original ResearchLaser interstitial thermal therapyRadiation necrosisInterstitial thermal therapyBrain metastasesAssociated cerebral edemaStage IV diseaseUse of immunotherapyPredictors of responseOngoing immunotherapySurgical decompressionCerebral edemaPerilesional edemaSurgical approachClinical historyLung cancerNeurological compromiseGood patientHistological changesStereotactic radiosurgeryPatientsEarly reductionSized lesionsImmunotherapyTherapyThermal therapy
2021
Nocardia thailandica Brain Abscess in an Immunocompromised Patient
Effendi M, Tirmizi S, McManus D, Huttner AJ, Peaper DR, Topal JE. Nocardia thailandica Brain Abscess in an Immunocompromised Patient. Case Reports In Infectious Diseases 2021, 2021: 6620049. PMID: 34234968, PMCID: PMC8216818, DOI: 10.1155/2021/6620049.Peer-Reviewed Original ResearchSuccessful treatmentCentral nervous system infectionRadiographic treatment successInitiation of therapyNervous system infectionCeftriaxone 2Ceftriaxone monotherapyRadiological improvementBrain abscessesSystem infectionMedical therapyTreatment successCNS penetrationPatientsMedical literatureInfectionBrainTherapyTreatmentMonthsMonotherapyAbscessCeftriaxoneCraniotomyNanoparticle-mediated convection-enhanced delivery of a DNA intercalator to gliomas circumvents temozolomide resistance
Wang Y, Jiang Y, Wei D, Singh P, Yu Y, Lee T, Zhang L, Mandl HK, Piotrowski-Daspit AS, Chen X, Li F, Li X, Cheng Y, Josowitz A, Yang F, Zhao Y, Wang F, Zhao Z, Huttner A, Bindra RS, Xiao H, Mark Saltzman W. Nanoparticle-mediated convection-enhanced delivery of a DNA intercalator to gliomas circumvents temozolomide resistance. Nature Biomedical Engineering 2021, 5: 1048-1058. PMID: 34045730, PMCID: PMC8497438, DOI: 10.1038/s41551-021-00728-7.Peer-Reviewed Original ResearchConceptsConvection-enhanced deliveryPatient-derived xenograftsTMZ-resistant gliomasTMZ-resistant cellsGlioma cell linesSurvival benefitTemozolomide resistanceChemotherapeutic temozolomideDetectable toxicityTemozolomideOxaliplatin prodrugHuman glioblastomaGenome-wide RNA profilingTranslational strategiesDrugsCell linesGliomasAnticancer drugsMetabolomic analysisGlioblastomaDeliveryDistinct mechanismsRNA profilingMetabolic pathwaysPatientsConcurrent Myotonic Dystrophy and Inflammatory Myopathy in a Patient with HIV/AIDS
Gupta A, Huttner A, Azar MM. Concurrent Myotonic Dystrophy and Inflammatory Myopathy in a Patient with HIV/AIDS. Case Reports In Infectious Diseases 2021, 2021: 9998415. PMID: 34104500, PMCID: PMC8159637, DOI: 10.1155/2021/9998415.Peer-Reviewed Original ResearchHIV/AIDSHIV-associated polymyositisMyotonic dystrophyMiddle-aged malesAntiretroviral therapyComprehensive workupNeuromuscular complicationsInflammatory myopathiesExtensive workupLaboratory markersClinical historyPhysical examMultiple concurrent conditionsMuscle biopsyDisease processConcurrent conditionsMyopathyAIDSPatientsWorkupDystrophyMyalgiaPolymyositisMyositisComplications
2020
A Critically Ill Patient With Central Nervous System Tuberculosis and Negative Initial Workup
Zubair AS, Landreneau M, Witsch J, Fulbright RK, Huttner A, Sheth KN, Hwang DY. A Critically Ill Patient With Central Nervous System Tuberculosis and Negative Initial Workup. Frontiers In Neurology 2020, 11: 430. PMID: 32595583, PMCID: PMC7304250, DOI: 10.3389/fneur.2020.00430.Peer-Reviewed Case Reports and Technical NotesCentral nervous system TBCentral nervous system tuberculosisEmpiric anti-tuberculous therapyAnti-tuberculous therapyNegative initial workupNervous system tuberculosisStrong clinical suspicionTB meningitisEmpiric treatmentInitial workupClinical suspicionIll patientsTB testingImproved outcomesPatientsPreferred testDiagnostic resultsTBMeningitisGeneXpertTherapyWorkupTuberculosisSuspicionA critically ill patient with central nervous system tuberculosis and negative initial screening workup (2660)
Zubair A, Landreneau M, Witsch J, Fulbright R, Huttner A, Sheth K, Hwang D. A critically ill patient with central nervous system tuberculosis and negative initial screening workup (2660). Neurology 2020, 94 DOI: 10.1212/wnl.94.15_supplement.2660.Peer-Reviewed Original ResearchDifferential expression of the T-cell inhibitor TIGIT in glioblastoma and MS
Lucca LE, Lerner BA, Park C, DeBartolo D, Harnett B, Kumar VP, Ponath G, Raddassi K, Huttner A, Hafler DA, Pitt D. Differential expression of the T-cell inhibitor TIGIT in glioblastoma and MS. Neurology Neuroimmunology & Neuroinflammation 2020, 7: e712. PMID: 32269065, PMCID: PMC7188477, DOI: 10.1212/nxi.0000000000000712.Peer-Reviewed Original ResearchConceptsTumor-infiltrating T cellsT cellsPD-1/PD-L1Anti-TIGIT therapyExpression of CD226Expression of TIGITPostmortem CNS tissueLymphocytes of patientsFresh surgical resectionsLigand CD155TIGIT expressionSurgical resectionPD-1PD-L1CNS diseaseHealthy controlsHealthy donorsLymphocytic expressionImmune responseCNS tissueMS lesionsTIGITImmune pathwaysPatientsGlioblastoma multiformeExtent of Surgical Resection of Epidermoid Tumors Affects Risk of Recurrence: Results of the Largest Meta-analysis of 691 Patients
Shear B, Jin L, Zhang Y, David W, Fomchenko E, Erson-Omay E, Huttner A, Fulbright R, Moliterno J. Extent of Surgical Resection of Epidermoid Tumors Affects Risk of Recurrence: Results of the Largest Meta-analysis of 691 Patients. Journal Of Neurological Surgery Part B Skull Base 2020, 81: s1-s272. DOI: 10.1055/s-0040-1702325.Peer-Reviewed Original Research
2019
Complications associated with immunotherapy for brain metastases.
Tran TT, Jilaveanu LB, Omuro A, Chiang VL, Huttner A, Kluger HM. Complications associated with immunotherapy for brain metastases. Current Opinion In Neurology 2019, 32: 907-916. PMID: 31577604, PMCID: PMC7398556, DOI: 10.1097/wco.0000000000000756.Peer-Reviewed Original ResearchConceptsBrain metastasesNeurologic toxicityImmune therapyPhase 2 clinical trialCheckpoint inhibitor therapyImmune checkpoint inhibitorsMultiple phase 2 clinical trialsTreatment-related morbidityBrain metastatic diseaseSymptomatic edemaCheckpoint inhibitorsAdverse eventsDurable responsesMedian survivalMetastatic diseaseInhibitor therapyMore patientsIntracranial activityPatient groupRadiation necrosisClinical trialsTherapy trialsMultidisciplinary teamMetastasisPatients
2017
A patient with central nervous system tuberculomas and a history of disseminated multi-drug-resistant tuberculosis
Kaplan SR, Topal J, Sosa L, Malinis M, Huttner A, Malhotra A, Friedland G. A patient with central nervous system tuberculomas and a history of disseminated multi-drug-resistant tuberculosis. Journal Of Clinical Tuberculosis And Other Mycobacterial Diseases 2017, 10: 9-16. PMID: 31720380, PMCID: PMC6830180, DOI: 10.1016/j.jctube.2017.12.004.Peer-Reviewed Case Reports and Technical NotesDrug-resistant tuberculosisResistant tuberculosisMulti-drug resistant (MDR) TBCentral nervous system tuberculomasCentral nervous system tuberculosisNervous system tuberculosisGlobal public health concernCause of deathIncrease of patientsDrug-resistant strainsPublic health concernExtrapulmonary diseaseMiddle-income countriesNeurological symptomsTreatment challengesTuberculosisHealth concernYoung menPatientsTuberculomaSymptomsDiseaseLeiomyosarcoma of the infratemporal fossa with perineurial spread along the right mandibular nerve: a case report
Barbiero FJ, Huttner AJ, Judson BL, Baehring JM. Leiomyosarcoma of the infratemporal fossa with perineurial spread along the right mandibular nerve: a case report. CNS Oncology 2017, 06: 281-285. PMID: 28990793, PMCID: PMC6004886, DOI: 10.2217/cns-2017-0004.Peer-Reviewed Original ResearchConceptsMandibular nerveRight mandibular nerveRight cavernous sinusSmooth muscle differentiationNerve biopsyCase reportMass lesionNeck cancerCavernous sinusMalignant tumorsGI tractInfratemporal fossaMedical literatureLeiomyosarcomaSkin appendagesSimilar casesNerveTumorsMuscle differentiationPeculiar patternDiplopiaHeadacheBiopsyPatientsMyometrium
2013
Progressive multifocal leukoencephalopathy in an immunocompetent patient
Christakis PG, Okin D, Huttner AJ, Baehring JM. Progressive multifocal leukoencephalopathy in an immunocompetent patient. Journal Of The Neurological Sciences 2013, 326: 107-110. PMID: 23375959, DOI: 10.1016/j.jns.2013.01.010.Peer-Reviewed Original ResearchConceptsProgressive multifocal leukoencephalopathyImmunocompetent patientsMultifocal leukoencephalopathyTemporal white matterMefloquine therapyOccult immunosuppressionSubacute historyClinical courseExtensive workupPharmacological therapyImmunocompetent individualsCSF PCRSignal abnormalitiesDNA titreSerotonin receptorsBrain MRIAbnormal gaitJC virusOlder menWhite matterLeukoencephalopathyPatientsTherapyImmunosuppressionBiopsy
2012
Overview of Primary Brain Tumors Pathologic Classification, Epidemiology, Molecular Biology, and Prognostic Markers
Huttner A. Overview of Primary Brain Tumors Pathologic Classification, Epidemiology, Molecular Biology, and Prognostic Markers. Hematology/Oncology Clinics Of North America 2012, 26: 715-732. PMID: 22794280, DOI: 10.1016/j.hoc.2012.05.004.Peer-Reviewed Original ResearchConceptsBrain tumor patientsBrain tumor tissueMolecular diagnostic testingMolecular diagnostic testsMultidisciplinary managementPrimary brainNeuroepithelial tumorsHistopathological assessmentPathologic classificationPrognostic markerTumor patientsClinical significanceBrain tumorsClinical practiceTumor tissueDiagnostic testingDiagnostic testsMolecular testsTumorsTumor classificationEpigenetic changesPatientsOverview of classificationPrognosisNeuropathology
2011
Cortical injury in multiple sclerosis; the role of the immune system
Walker CA, Huttner AJ, O'Connor KC. Cortical injury in multiple sclerosis; the role of the immune system. BMC Neurology 2011, 11: 152. PMID: 22145746, PMCID: PMC3266198, DOI: 10.1186/1471-2377-11-152.Peer-Reviewed Original ResearchConceptsCortical tissue damageMultiple sclerosisWhite matterCerebral cortexTissue damageCortical tissue injuryPresence of inflammationCerebral white matterCortical injuryNeuronal damageCortical damageRobust inflammationCerebral meningesSuch injuriesTissue injuryDisease pathogenesisImmune systemInflammationInjurySclerosisPatientsMeningesCortexMajor siteCurrent knowledge
2010
Clinicopathologic study of glioblastoma in children with neurofibromatosis type 1
Huttner AJ, Kieran MW, Yao X, Cruz L, Ladner J, Quayle K, Goumnerova LC, Irons MB, Ullrich NJ. Clinicopathologic study of glioblastoma in children with neurofibromatosis type 1. Pediatric Blood & Cancer 2010, 54: 890-896. PMID: 20310005, DOI: 10.1002/pbc.22462.Peer-Reviewed Original ResearchMeSH KeywordsBrain NeoplasmsChildChild, PreschoolDNA Modification MethylasesDNA Repair EnzymesErbB ReceptorsGene DosageGlioblastomaHumansImmunohistochemistryIn Situ HybridizationInfantKaplan-Meier EstimateMaleNeurofibromatosis 1PTEN PhosphohydrolaseRetrospective StudiesTumor Suppressor Protein p53Tumor Suppressor ProteinsConceptsNeurofibromatosis type 1Malignant tumorsType 1Median overall survivalLow-grade tumorsPeripheral nervous systemEpidermal growth factor receptor copy numberNon-NF1 patientsAdditional molecular studiesClinicopathologic studyOverall prognosisOverall survivalRetrospective reviewVascular proliferationPathologic indicatorsPatientsNervous systemTumors differsSame time periodGlioblastomaSmall sample sizeTumorsMethylguanine-DNA methyltransferase (MGMT) geneSurvivalChildren
2009
Primary, non-exophytic, optic nerve germ cell tumors
DiLuna ML, Two AM, Levy GH, Patel T, Huttner AJ, Duncan CC, Piepmeier JM. Primary, non-exophytic, optic nerve germ cell tumors. Journal Of Neuro-Oncology 2009, 95: 437-443. PMID: 19554263, DOI: 10.1007/s11060-009-9941-1.Peer-Reviewed Original ResearchConceptsGerm cell tumorsOptic chiasmatic gliomasMalignant mixed germ cell tumorMixed germ cell tumorOptic chiasmCell tumorsOptic chiasm tumorAdrenal axis dysfunctionSub-frontal approachChiasm gliomaChiasmatic gliomasAxis dysfunctionBiopsy confirmationProgressive symptomsVisual lossCase seriesFirst patientTreatment regimensPterional craniotomyDiabetes insipidusTissue diagnosisTissue biopsiesTumorsPatientsChiasm