2022
513 Surveilling Cerebrospinal Fluid Protein Biomarkers in Brain Metastasis
Cheok S, Arnal-Estape A, Wei W, Nguyen D, Chiang V. 513 Surveilling Cerebrospinal Fluid Protein Biomarkers in Brain Metastasis. Neurosurgery 2022, 68: 129-129. DOI: 10.1227/neu.0000000000001880_513.Peer-Reviewed Original ResearchBrain metastasesCerebrospinal fluidIntraparenchymal diseaseCentral nervous system pathologyCerebrospinal fluid (CSF) protein biomarkersIntraparenchymal brain metastasesManagement of patientsNormal pressure hydrocephalusNervous system pathologyCurrent diagnostic standardNon-malignant samplesWarrants further explorationCSF profilePressure hydrocephalusRadiation necrosisLung cancerSimilar pathogenesisBrain parenchymaInflammatory diseasesIntracranial diseaseBreast cancerClinical dataCSF leakTreatment responsePatients
2021
Tumor DNA Mutations From Intraparenchymal Brain Metastases Are Detectable in CSF
Cheok SK, Narayan A, Arnal-Estape A, Gettinger S, Goldberg SB, Kluger HM, Nguyen D, Patel A, Chiang V. Tumor DNA Mutations From Intraparenchymal Brain Metastases Are Detectable in CSF. JCO Precision Oncology 2021, 5: 163-172. PMID: 34250381, PMCID: PMC8232069, DOI: 10.1200/po.20.00292.Peer-Reviewed Original ResearchConceptsIntraparenchymal brain metastasesBrain metastasesCell-free DNAExtracranial tumorsBrain metastasis tissuesProgressive brain metastasesThird of patientsNormal pressure hydrocephalusTumor DNA mutationsPrimary cancer typeAnalysis of CSFSamples of CSFLeptomeningeal diseaseEffective surrogate markerBrain biopsyPressure hydrocephalusLumbar punctureSurrogate markerCancer-associated genesMetastasis tissuesPatientsMetastasisDiscordant responsesRenal cellsGenomic profiling
2020
35. EVALUATING CSF CIRCULATING TUMOR DNA IN INTRAPARENCHYMAL BRAIN METASTASIS
Cheok S, Narayan A, Arnal-Estape A, Patel A, Nguyen D, Chiang V. 35. EVALUATING CSF CIRCULATING TUMOR DNA IN INTRAPARENCHYMAL BRAIN METASTASIS. Neuro-Oncology Advances 2020, 2: ii6-ii6. PMCID: PMC7401400, DOI: 10.1093/noajnl/vdaa073.023.Peer-Reviewed Original ResearchIntraparenchymal brain metastasesBrain metastasis tissuesNormal pressure hydrocephalusBrain metastasesCerebrospinal fluidLeptomeningeal diseaseCell-free DNACSF ctDNAMetastasis tissuesTumor DNASamples of CSFStudy 12 patientsPrimary cancer typeAnalysis of CSFIntraparenchymal diseaseFurther therapySystemic metastasesPlasma ctDNASixteen patientsIntraparenchymal tumorsPressure hydrocephalusColorectal cancerLumbar punctureDetection of novelCancer-associated genes