2023
Sporadic pituitary adenoma with somatic double-hit loss of MEN1
Hong C, Alanya H, DiStasio M, Boulware S, Rimmer R, Omay S, Erson-Omay E. Sporadic pituitary adenoma with somatic double-hit loss of MEN1. Pituitary 2023, 26: 488-494. PMID: 37438451, DOI: 10.1007/s11102-023-01336-1.Peer-Reviewed Original Research
2022
Impact of Frailty on Morbidity and Mortality in Adult Patients Undergoing Surgical Evacuation of Acute Traumatic Subdural Hematoma
Elsamadicy AA, Sandhu MRS, Freedman IG, Koo AB, Reeves BC, Yu J, Hengartner A, Havlik J, Hong CS, Rutherford HJV, Kim JA, Gerrard J, Gilmore EJ, Omay SB. Impact of Frailty on Morbidity and Mortality in Adult Patients Undergoing Surgical Evacuation of Acute Traumatic Subdural Hematoma. World Neurosurgery 2022, 162: e251-e263. PMID: 35276399, DOI: 10.1016/j.wneu.2022.02.122.Peer-Reviewed Original ResearchConceptsAcute traumatic subdural hematomaTraumatic subdural hematomaHospital mortalityNonroutine dischargeSubdural hematomaExtended LOSIndependent predictorsAdult patientsBaseline frailtyMultivariate logistic regression analysisExtended hospital lengthImpact of frailtyRetrospective cohort studyNational Trauma DatabaseLogistic regression analysisRegression analysisMultivariate regression analysisHealth care expendituresFrail patientsHospital lengthCohort studySurgical evacuationFrailty indexTrauma databasePatientsThe Role of Surgical Approaches in the Multi-Modal Management of Adult Craniopharyngiomas
Hong CS, Omay SB. The Role of Surgical Approaches in the Multi-Modal Management of Adult Craniopharyngiomas. Current Oncology 2022, 29: 1408-1421. PMID: 35323318, PMCID: PMC8947636, DOI: 10.3390/curroncol29030118.Peer-Reviewed Original ResearchConceptsSurgical approachBenign primary brain tumorsAggressive surgical resectionAdjuvant radiation therapyOptimal surgical approachInvasive surgical approachPrimary brain tumorsSurgical treatment paradigmMulti-modal managementEloquent neural structuresEndoscopic endonasal approachBenign biologyClinical sequelaeHypothalamic dysfunctionOpen resectionSurgical resectionSignificant morbidityOptic apparatusSafe resectionTumor recurrenceTranscranial surgeryTreatment paradigmDisease entityHypothalamic functionLateral approach
2020
Genetic characterization of an aggressive optic nerve pilocytic glioma
Hong CS, Fliney G, Fisayo A, An Y, Gopal PP, Omuro A, Pointdujour-Lim R, Erson-Omay EZ, Omay SB. Genetic characterization of an aggressive optic nerve pilocytic glioma. Brain Tumor Pathology 2020, 38: 59-63. PMID: 33098465, PMCID: PMC7585354, DOI: 10.1007/s10014-020-00383-x.Peer-Reviewed Original ResearchConceptsOptic nerve gliomaLeft optic nerve sheathLeft-sided visual lossSporadic adult casesOptic nerve sheathNeurofibromatosis type 1 syndromeType 1 syndromeWhole-exome sequencingEmpiric managementVisual lossFocal radiotherapyOptic nervePediatric populationNerve sheathOpen biopsyAdult casesBiopsy specimenBenign histopathologyClinical prognosticationPilocytic astrocytomaComplex tumorsActionable targetsVisual pathwayAdult populationTumor progressionAssociation of race and ethnicity to incident epilepsy, or epileptogenesis, after subdural hematoma.
Brown SC, King ZA, Kuohn L, Kamel H, Gilmore EJ, Frontera JA, Murthy S, Kim JA, Omay SB, Falcone GJ, Sheth KN. Association of race and ethnicity to incident epilepsy, or epileptogenesis, after subdural hematoma. Neurology 2020, 95: e2890-e2899. PMID: 32907969, PMCID: PMC7734738, DOI: 10.1212/wnl.0000000000010742.Peer-Reviewed Original ResearchConceptsSubdural hematomaEmergency departmentMultivariable Cox regressionRetrospective cohort studyMedical risk factorsDevelopment of epilepsyNontraumatic subdural hematomaAssociation of raceDiagnosis of epilepsyCohort studyPrimary outcomeRenal diseaseStatus epilepticusWhite patientsBlack patientsHospital revisitsCox regressionBlack raceDiagnosis codesRisk factorsClaims dataInjury severityEpilepsyDrug useSurvival analysisMolecular Diagnosis and Extracranial Extension in Cushing Disease
Hong CS, Murari K, Gossmann M, Mahajan A, Erson-Omay Z, Manes RP, Omay SB. Molecular Diagnosis and Extracranial Extension in Cushing Disease. JAMA Otolaryngology - Head & Neck Surgery 2020, 146: 865-867. PMID: 32644156, DOI: 10.1001/jamaoto.2020.1471.Peer-Reviewed Original Research
2017
Is the chiasm-pituitary corridor size important for achieving gross-total resection during endonasal endoscopic resection of craniopharyngiomas?
Omay SB, Almeida JP, Chen YN, Shetty SR, Liang B, Ni S, Anand VK, Schwartz TH. Is the chiasm-pituitary corridor size important for achieving gross-total resection during endonasal endoscopic resection of craniopharyngiomas? Journal Of Neurosurgery 2017, 129: 642-647. PMID: 29171802, DOI: 10.3171/2017.6.jns163188.Peer-Reviewed Original ResearchConceptsGross total resectionExtended endonasal approachSubtotal resectionLarge tumorsPituitary glandFirst-line surgical approachEndonasal endoscopic resectionAvailable preoperative imagingMidline craniopharyngiomasOBJECTIVE CraniopharyngiomasPrefixed chiasmEndocrine outcomesRelative contraindicationVisual outcomeEndoscopic resectionAuthors' centerPreoperative imagingOptic chiasmSurgical approachVisual deteriorationResults ThirtyPituitary stalkThird ventricleHigh riskResectionDo craniopharyngioma molecular signatures correlate with clinical characteristics?
Omay SB, Chen YN, Almeida JP, Ruiz-Treviño AS, Boockvar JA, Stieg PE, Greenfield JP, Souweidane MM, Kacker A, Pisapia DJ, Anand VK, Schwartz TH. Do craniopharyngioma molecular signatures correlate with clinical characteristics? Journal Of Neurosurgery 2017, 128: 1473-1478. PMID: 28707994, DOI: 10.3171/2017.1.jns162232.Peer-Reviewed Original ResearchConceptsPapillary craniopharyngiomasAdamantinomatous craniopharyngiomaMutation groupPostoperative clinical symptomsSubgroup of tumorsMolecular signaturesWeill Cornell Medical CollegeND tumorsClinical characteristicsCornell Medical CollegeClinical symptomsClinical variablesGroup tumorsRadiographic featuresResults HistologyBRAF mutationsCraniopharyngiomaAge groupsMedical CollegeTumorsExome sequencing studiesCTNNB1 mutationsOutcome variablesHistologyPatientsPredictors and incidence of orthostatic headache associated with lumbar drain placement following endoscopic endonasal skull base surgery
Liang B, Shetty SR, Omay SB, Almeida JP, Ni S, Chen YN, Ruiz-Treviño AS, Anand VK, Schwartz TH. Predictors and incidence of orthostatic headache associated with lumbar drain placement following endoscopic endonasal skull base surgery. Acta Neurochirurgica 2017, 159: 1379-1385. PMID: 28643170, DOI: 10.1007/s00701-017-3247-4.Peer-Reviewed Original ResearchConceptsEndoscopic endonasal skull base surgeryEndoscopic endonasal proceduresIntracranial hypotensionEndonasal skull base surgeryBlood patchSkull base surgeryEndonasal proceduresEpidural blood patchResultsTwo hundred fortyYoung female patientLumbar drain placementOH patientsInfrequent complicationPatient demographicsFemale patientsConsecutive seriesDrain durationOrthostatic headacheDrain placementLumbar drainagePotential complicationsRisk factorsFemale genderHundred fortyRadiographic signs
2015
Somatic POLE mutations cause an ultramutated giant cell high-grade glioma subtype with better prognosis
Erson-Omay EZ, Çağlayan AO, Schultz N, Weinhold N, Omay SB, Özduman K, Köksal Y, Li J, Serin Harmancı A, Clark V, Carrión-Grant G, Baranoski J, Çağlar C, Barak T, Coşkun S, Baran B, Köse D, Sun J, Bakırcıoğlu M, Moliterno Günel J, Pamir MN, Mishra-Gorur K, Bilguvar K, Yasuno K, Vortmeyer A, Huttner AJ, Sander C, Günel M. Somatic POLE mutations cause an ultramutated giant cell high-grade glioma subtype with better prognosis. Neuro-Oncology 2015, 17: 1356-1364. PMID: 25740784, PMCID: PMC4578578, DOI: 10.1093/neuonc/nov027.Peer-Reviewed Original ResearchConceptsHigh-grade gliomasSomatic POLE mutationsPOLE mutationsMalignant high-grade gliomasLonger progression-free survivalProgression-free survivalSomatic mutationsOverall survivalPediatric patientsBetter prognosisClinical featuresImproved prognosisClinical behaviorImmune cellsBizarre cellsAggressive formGlioblastoma multiformeDisease pathophysiologyMolecular subgroupsHomozygous germline mutationGermline mutationsPrognosisGlioma subtypesComprehensive genomic analysisDistinct subgroups
2014
Gamma Knife Radiosurgery for Cerebellopontine Angle Meningiomas: A Multicenter Study
Ding D, Starke RM, Kano H, Nakaji P, Barnett GH, Mathieu D, Chiang V, Omay SB, Hess J, McBride HL, Honea N, Lee JY, Rahmathulla G, Evanoff WA, Alonso-Basanta M, Lunsford LD, Sheehan JP. Gamma Knife Radiosurgery for Cerebellopontine Angle Meningiomas: A Multicenter Study. Neurosurgery 2014, 75: 398-408. PMID: 24991710, DOI: 10.1227/neu.0000000000000480.Peer-Reviewed Original ResearchConceptsGamma knife radiosurgeryCerebellopontine angle meningiomaNeurological deteriorationCPA meningiomasKnife radiosurgeryNorth American Gamma Knife ConsortiumSymptomatic adverse radiation effectsTumor progressionLower maximal dosePermanent neurological deteriorationCommon presenting symptomInitial surgical resectionMulticenter cohort studyOutcomes of patientsProgression-free survivalSignificant neurological morbidityMedian tumor volumeAdverse radiation effectsMultivariate regression analysisAdjuvant treatmentNeurological morbidityPresenting symptomCohort studyMost patientsSurgical resection
2013
Genomic Analysis of Non-NF2 Meningiomas Reveals Mutations in TRAF7, KLF4, AKT1, and SMO
Clark VE, Erson-Omay EZ, Serin A, Yin J, Cotney J, Özduman K, Avşar T, Li J, Murray PB, Henegariu O, Yilmaz S, Günel JM, Carrión-Grant G, Yılmaz B, Grady C, Tanrıkulu B, Bakırcıoğlu M, Kaymakçalan H, Caglayan AO, Sencar L, Ceyhun E, Atik AF, Bayri Y, Bai H, Kolb LE, Hebert RM, Omay SB, Mishra-Gorur K, Choi M, Overton JD, Holland EC, Mane S, State MW, Bilgüvar K, Baehring JM, Gutin PH, Piepmeier JM, Vortmeyer A, Brennan CW, Pamir MN, Kılıç T, Lifton RP, Noonan JP, Yasuno K, Günel M. Genomic Analysis of Non-NF2 Meningiomas Reveals Mutations in TRAF7, KLF4, AKT1, and SMO. Science 2013, 339: 1077-1080. PMID: 23348505, PMCID: PMC4808587, DOI: 10.1126/science.1233009.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBrain NeoplasmsChromosomes, Human, Pair 22DNA Mutational AnalysisFemaleGenes, Neurofibromatosis 2Genomic InstabilityGenomicsHumansKruppel-Like Factor 4Kruppel-Like Transcription FactorsMaleMeningeal NeoplasmsMeningiomaMiddle AgedMutationNeoplasm GradingProto-Oncogene Proteins c-aktReceptors, G-Protein-CoupledSmoothened ReceptorTumor Necrosis Factor Receptor-Associated Peptides and Proteins
2009
Unusual presentations of nervous system infection by Cryptococcus neoformans
Searls D, Sico JJ, Omay S, Bannykh S, Kuohung V, Baehring J. Unusual presentations of nervous system infection by Cryptococcus neoformans. Clinical Neurology And Neurosurgery 2009, 111: 638-642. PMID: 19541406, DOI: 10.1016/j.clineuro.2009.05.007.Peer-Reviewed Original ResearchConceptsNervous system infectionHuman immunodeficiency virusSystem infectionCryptococcal meningitisNeurological manifestationsCryptococcus neoformansRecurrent cerebral infarctionSevere neurological disabilityC. neoformans infectionUnusual clinical presentationUnusual neurological manifestationsDetailed clinical descriptionMagnetic resonance imagingOphthalmic zosterCryptococcal infectionCerebral infarctionImmunocompetent patientsNeoformans infectionNeurological disabilityClinical presentationHodgkin's diseaseImmunodeficiency syndromeImmunocompetent hostsImmunodeficiency virusCSF analysis