2023
Clinical and genomic differences in supratentorial versus infratentorial NF2 mutant meningiomas.
Tabor J, O'Brien J, Vasandani S, Vetsa S, Lei H, Jalal M, Marianayagam N, Jin L, Millares Chavez M, Haynes J, Dincer A, Yalcin K, Aguilera S, Omay S, Mishra-Gorur K, McGuone D, Morales-Valero S, Fulbright R, Gunel M, Erson-Omay E, Moliterno J. Clinical and genomic differences in supratentorial versus infratentorial NF2 mutant meningiomas. Journal Of Neurosurgery 2023, 139: 1648-1656. PMID: 37243548, DOI: 10.3171/2023.4.jns222929.Peer-Reviewed Original ResearchConceptsSubtotal resectionSupratentorial tumorsElevated Ki-67High-risk featuresProgression-free survivalChromosome 1p deletionInfratentorial counterpartsInfratentorial tumorsPostoperative managementSomatic driver mutationsCerebral convexityGrade IIInfratentorial meningiomasKi-67Posterior fossaLoss of heterozygosityMeningiomasResectionTumorsWhole-exome sequencing dataDriver mutationsHigh gradeSignificant differencesExome sequencing dataSporadic meningiomas
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 alterationsPatientsHippocampus