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
2020
Persistent STAG2 mutation despite multimodal therapy in recurrent pediatric glioblastoma
Hong CS, Vasquez JC, Kundishora AJ, Elsamadicy AA, Beckta JM, Sule A, Marks AM, Leelatian N, Huttner A, Bindra RS, DiLuna ML, Kahle KT, Erson-Omay EZ. Persistent STAG2 mutation despite multimodal therapy in recurrent pediatric glioblastoma. Npj Genomic Medicine 2020, 5: 23. PMID: 32528726, PMCID: PMC7264170, DOI: 10.1038/s41525-020-0130-7.Peer-Reviewed Original ResearchPediatric patientsStandard chemoradiationSTAG2 mutationsTumor clonesPediatric glioblastomaGross total resectionMultiple surgical resectionsTime of recurrenceHigh-grade gliomasDNA damage repair defectsWhole-exome sequencingVariety of treatmentsSurgical resectionNovel deleterious mutationsStandard therapyTotal resectionVaccine therapyClinical evidencePreclinical dataTreatment optionsMultimodal therapyPreclinical studiesClinical settingTherapyAdult counterparts
2019
Genomic alterations underlying spinal metastases in pediatric H3K27M-mutant pineal parenchymal tumor of intermediate differentiation: case report.
Fomchenko EI, Erson-Omay EZ, Kundishora AJ, Hong CS, Daniel AA, Allocco A, Duy PQ, Darbinyan A, Marks AM, DiLuna ML, Kahle KT, Huttner A. Genomic alterations underlying spinal metastases in pediatric H3K27M-mutant pineal parenchymal tumor of intermediate differentiation: case report. Journal Of Neurosurgery Pediatrics 2019, 25: 121-130. PMID: 31653819, DOI: 10.3171/2019.8.peds18664.Peer-Reviewed Original ResearchPineal parenchymal tumorsPediatric midline gliomasWhole-exome sequencingH3K27M mutationParenchymal tumorsIntermediate differentiationMidline gliomaM mutationClonality analysisTumors harbored mutationsHigh-grade lesionsCurative surgical optionVaried morphological appearancesChromosome 17 lossSomatic mutationsSpinal metastasesClinical presentationDismal prognosisSpine metastasesSurgical managementSurgical optionsMidline tumorsCase reportHarbored mutationsNF1 lossHGG-01. ACQUISITION OF A HYPERMUTATOR PHENOTYPE UNDERLYING DISTANT SPINAL INTRAMEDULLARY SPREAD IN HISTONE-MUTATED DIFFUSE MIDLINE GLIOMA
Hong C, Kundishora A, Fomchenko E, Huttner A, Erson-Omay Z, Marks A, Diluna M, Kahle K. HGG-01. ACQUISITION OF A HYPERMUTATOR PHENOTYPE UNDERLYING DISTANT SPINAL INTRAMEDULLARY SPREAD IN HISTONE-MUTATED DIFFUSE MIDLINE GLIOMA. Neuro-Oncology 2019, 21: ii86-ii86. PMCID: PMC6477387, DOI: 10.1093/neuonc/noz036.095.Peer-Reviewed Original ResearchIntramedullary spinal metastasesDiffuse midline gliomaMidline gliomaWhole-exome sequencingSpinal metastasesKey oncogenic driver mutationsSomatic mutationsExome sequencingLower extremity weaknessDistant metastatic spreadHigh-grade astrocytic tumorsGenetic alterationsOncogenic driver mutationsSpinal metastatic lesionsProton beam radiationThirteen-year-old maleSpinal intramedullaryExtremity weaknessDistant spreadMetastatic lesionsLumbar tumorsPineal lesionsPoor prognosisTumor spreadPineal tumors
2018
PDTM-35. GENETIC ALTERATIONS DRIVING SPINAL INTRAMEDULLARY METASTASES OF A HISTONE-MUTATED DIFFUSE MIDLINE PINEAL GLIOMA
Hong C, Kundishora A, Omay E, Huttner A, Marks A, Diluna M, Kahle K. PDTM-35. GENETIC ALTERATIONS DRIVING SPINAL INTRAMEDULLARY METASTASES OF A HISTONE-MUTATED DIFFUSE MIDLINE PINEAL GLIOMA. Neuro-Oncology 2018, 20: vi211-vi211. PMCID: PMC6217703, DOI: 10.1093/neuonc/noy148.875.Peer-Reviewed Original ResearchDiffuse midline gliomaMidline gliomaH3K27M mutationGenetic alterationsM mutationIntramedullary spinal metastasesSpinal intramedullary metastasisDistant metastatic spreadLower extremity weaknessMismatch repair gene mutationsKey driver mutationsRepair gene mutationsProton beam radiationWhole-exome sequencing