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
2017
PDTM-25. GENETIC SUSCEPTIBILITY AND EVOLUTION OF PEDIATRIC IDH-MUTANT INFILTRATING ASTROCYTOMAS
Bornhorst M, Goecks J, Boue D, Broniscer A, Hwang E, Koschmann C, Marks A, Mody R, Mueller S, Orr B, Packer R, Solomon D, Turner J, Vortmeyer A, Nazarian J, Ho C. PDTM-25. GENETIC SUSCEPTIBILITY AND EVOLUTION OF PEDIATRIC IDH-MUTANT INFILTRATING ASTROCYTOMAS. Neuro-Oncology 2017, 19: vi195-vi195. PMCID: PMC5692642, DOI: 10.1093/neuonc/nox168.789.Peer-Reviewed Original ResearchTP53 mutationsPediatric gliomasGermline mutationsIDH mutationsLow-grade tumorsHigh-grade tumorsLow mutation burdenYears of ageHigh-grade astrocytomasGermline TP53 mutationsMismatch repair genesIDH-mutant astrocytomasYounger patientsMulti-institution studyEarly lesionsMutation burdenMutant allele frequencyPatientsSporadic casesAstrocytomasTumorsSporadic tumorsAdult counterpartsGenetic susceptibilityLow cellularityLow-Grade Astrocytoma within a Mature Cystic Teratoma in an Adolescent Patient
Yoder N, Marks A, Hui P, Litkouhi B, Cron J. Low-Grade Astrocytoma within a Mature Cystic Teratoma in an Adolescent Patient. Journal Of Pediatric And Adolescent Gynecology 2017, 31: 325-327. PMID: 29107097, DOI: 10.1016/j.jpag.2017.10.005.Peer-Reviewed Original ResearchConceptsMature cystic teratomaCystic teratomaLow-grade astrocytomasAdolescent patientsMalignant transformationAsymptomatic ovarian cystsCommon ovarian neoplasmsLarger tumor sizeGynecologic tractSubsequent cystectomyPostmenopausal statusFinal pathologyOvarian neoplasmsOvarian cystsTumor sizeRisk factorsGlial tissueGrade astrocytomasAntigen 125Mouse modelSolid tumorsPatientsAstrocytomasTeratomaTrisomy 20