2025
Posterior parasagittal meningiomas display aggressive features independent of size: a multicenter analysis
Koçyiğit S, Chavez M, Orhun Ö, O’Brien J, Inan A, Yaşar A, Dinçer A, Moliterno J, Günel M, Pamir M, Özduman K, Erşen-Danyeli A. Posterior parasagittal meningiomas display aggressive features independent of size: a multicenter analysis. Journal Of Neuro-Oncology 2025, 175: 101-110. PMID: 40569492, PMCID: PMC12367906, DOI: 10.1007/s11060-025-05103-z.Peer-Reviewed Original ResearchConceptsParasagittal meningiomaAnatomical locationKi67 indexWHO-gradeAggressive featuresTumor volume ratioChromosome 1p lossGrading criteriaResultsTumor volumeLarge meningiomasHistological subtypesAggressive biologyHistological gradeMolecular subsetsMulticenter analysisCohort BMeningioma sizeMitotic countRadiological featuresTumor behaviorRisk stratificationBrain invasionRetrospective analysisHistopathological markersIndependent cohort
2024
Heterozygous CDKN2A Loss is Associated with Recurrence and Survival in High, But Not Low Grade Meningiomas
Tabor J, O'Brien J, Valero S, Pappajohn A, McGuone D, Erson-Omay Z, Yasuno K, Gunel M, Moliterno J. Heterozygous CDKN2A Loss is Associated with Recurrence and Survival in High, But Not Low Grade Meningiomas. Neurosurgery 2024, 70: 203-203. DOI: 10.1227/neu.0000000000002810_112.Peer-Reviewed Original ResearchProgression-free survivalHigh-grade meningiomasOverall survivalNF2 mutationsDecreased PFSLow grade meningiomasWHO grading criteriaLow-grade meningiomasAssociated with recurrenceSomatic NF2 mutationsHigher recurrence rateSomatic driver mutationsAggressive clinical characteristicsIncreased chromosomal instabilityLoss of CDKN2A/BHigh-copy number variationCDKN2A mutationsCopy number variationsAggressive meningiomasLow-grade onesProliferative indexCDKN2A lossGrade meningiomasRecurrence rateMitotic count
2023
EPCO-47. HETEROZYGOUS CDKN2A LOSS IS ASSOCIATED WITH HIGHER RECURRENCE AND LOWER SURVIVAL IN HIGH-, BUT NOT LOW-GRADE MENINGIOMAS
Tabor J, Chavez M, O'Brien J, Morales-Valero S, Pappajohn A, McGuone D, Erson-Omay Z, Yasuno K, Gunel M, Moliterno J. EPCO-47. HETEROZYGOUS CDKN2A LOSS IS ASSOCIATED WITH HIGHER RECURRENCE AND LOWER SURVIVAL IN HIGH-, BUT NOT LOW-GRADE MENINGIOMAS. Neuro-Oncology 2023, 25: v134-v135. PMCID: PMC10639255, DOI: 10.1093/neuonc/noad179.0509.Peer-Reviewed Original ResearchProgression-free survivalShorter progression-free survivalHigh recurrence rateHigh-grade meningiomasCDKN2A/BOverall survivalRecurrence rateLow-grade meningiomasHeterozygous lossNF2 mutationsHigh mitotic countFree survivalMethods ClinicalSomatic NF2 mutationsClinical associationsLower OSHigh recurrenceLow-grade onesProliferative indexMitotic countAggressive meningiomasClinical implicationsMeningiomasPotential associationSkull base
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