2023
Use of stereotactic radiosurgery in treatment of brain metastases from pediatric extracranial solid tumors
Xu S, Campbell A, Chiang V, Bindra R, Vasquez J, Pashankar F. Use of stereotactic radiosurgery in treatment of brain metastases from pediatric extracranial solid tumors. Pediatric Blood & Cancer 2023, 70: e30303. PMID: 36975152, DOI: 10.1002/pbc.30303.Peer-Reviewed Original ResearchLocal Control and Survival Outcomes After Stereotactic Radiosurgery for Brain Metastases From Gastrointestinal Primaries: An International Multicenter Analysis
Singh R, Bowden G, Mathieu D, Perlow H, Palmer J, Elhamdani S, Shepard M, Liang Y, Nabeel A, Reda W, Tawadros S, Abdelkarim K, El-Shehaby A, Emad R, Elazzazi A, Warnick R, Gozal Y, Daly M, McShane B, Addis-Jackson M, Karthikeyan G, Smith S, Picozzi P, Franzini A, Kaisman-Elbaz T, Yang H, Wei Z, Legarreta A, Hess J, Templeton K, Pikis S, Mantziaris G, Simonova G, Liscak R, Peker S, Samanci Y, Chiang V, Niranjan A, Kersh C, Lee C, Trifiletti D, Lunsford L, Sheehan J. Local Control and Survival Outcomes After Stereotactic Radiosurgery for Brain Metastases From Gastrointestinal Primaries: An International Multicenter Analysis. Neurosurgery 2023, 93: 592-598. PMID: 36942965, DOI: 10.1227/neu.0000000000002456.Peer-Reviewed Original ResearchConceptsKarnofsky performance statusStereotactic radiosurgeryOverall survivalBrain metastasesUnivariate analysisLocal controlGI primaryExtracranial metastasesPrognostic factorsBrain metastases treated with stereotactic radiosurgeryAssociated with inferior LCAssociated with inferior OSMedian Karnofsky performance statusEvaluate potential prognostic factorsInternational multicenter analysisPlanning target volumePotential prognostic factorsKaplan-Meier analysisOne-yearProportional hazards modelInferior LCInferior OSOS ratesLC ratesGastrointestinal primaryPreliminary dosimetric comparison between fixed and rotating source stereotactic radiosurgery systems
Draeger E, Chen Z, Hansen J, Chiang V, Tien C. Preliminary dosimetric comparison between fixed and rotating source stereotactic radiosurgery systems. Journal Of Applied Clinical Medical Physics 2023, 24: e13907. PMID: 36660774, PMCID: PMC10161057, DOI: 10.1002/acm2.13907.Peer-Reviewed Original ResearchConceptsConformity indexRadiation Therapy Oncology Group conformity indexGK plansSuperior conformity indexNon-metastatic casesPaddick conformity indexDosimetric plan qualityGK patientsBrain metastasesRadiosurgery systemTrigeminal neuralgiaPrescription dosesGamma Knife systemMetastatic casesArteriovenous malformationsPituitary adenomasConformality indexLarge cohortDosimetric comparisonStereotactic radiosurgery systemGK IconPatientsCohortTreatment timeDosimetric resultsTransfrontal Approach to the Amygdala for Ablation With Laser Interstitial Thermal Therapy: An Epilepsy Case Report
Lamsam L, Brigido M, Sivaraju A, Hirsch L, Spencer D, Chiang V, Damisah E. Transfrontal Approach to the Amygdala for Ablation With Laser Interstitial Thermal Therapy: An Epilepsy Case Report. Operative Neurosurgery 2023, 24: e381-e384. PMID: 36715982, PMCID: PMC10158899, DOI: 10.1227/ons.0000000000000576.Peer-Reviewed Original ResearchConceptsStereotactic laser amygdalohippocampotomyLaser interstitial thermal therapyEntorhinal cortexInterstitial thermal therapyComplete ablationMesial temporal lobe epilepsyTemporal arteriovenous malformationTemporal lobe epilepsyLeft temporal arteriovenous malformationMiddle frontal gyrusPrior craniotomyOpen resectionLobe epilepsyCase reportMedial amygdalaArteriovenous malformationsAnterior entorhinal cortexTransfrontal approachAmygdalaInvasive surgeryFrontal gyrusThermal therapyIntracranial electroencephalographyResection
2022
Multicenter analysis of stereotactic radiosurgery for multiple brain metastases from EGFR and ALK driven non-small cell lung cancer
Wandrey N, Gao D, Robin T, Contessa J, Singh C, Chiang V, Li J, Chen A, Wang Y, Sheehan J, Dutta S, Weiss S, Paly J, Rusthoven C. Multicenter analysis of stereotactic radiosurgery for multiple brain metastases from EGFR and ALK driven non-small cell lung cancer. Lung Cancer 2022, 176: 144-148. PMID: 36641932, PMCID: PMC10552603, DOI: 10.1016/j.lungcan.2022.11.019.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerOverall survivalCell lung cancerStereotactic radiosurgeryBrain metastasesMultivariable adjustmentMulticenter analysisLung cancerNext-generation tyrosine kinase inhibitorsSRS treatmentOnly negative prognostic factorWhole brain radiotherapyMedian overall survivalMultiple brain metastasesNegative prognostic factorFavorable overall survivalTyrosine kinase inhibitorsTreatment 1CNS progressionMulticenter outcomesMedian followPrognostic factorsFavorable prognosisCNS diseaseTreatment optionsBrain metastatic outgrowth and osimertinib resistance are potentiated by RhoA in EGFR-mutant lung cancer
Adua S, Arnal-Estapé A, Zhao M, Qi B, Liu Z, Kravitz C, Hulme H, Strittmatter N, López-Giráldez F, Chande S, Albert A, Melnick M, Hu B, Politi K, Chiang V, Colclough N, Goodwin R, Cross D, Smith P, Nguyen D. Brain metastatic outgrowth and osimertinib resistance are potentiated by RhoA in EGFR-mutant lung cancer. Nature Communications 2022, 13: 7690. PMID: 36509758, PMCID: PMC9744876, DOI: 10.1038/s41467-022-34889-z.Peer-Reviewed Original ResearchConceptsGene expression programsRas homolog family member ACancer cellsFamily member AEpidermal growth factor receptorExpression programsMetastatic cancer cellsSRF signalingGrowth factor receptorTumor microenvironmentLung cancerFunctional linkExtracellular lamininDrug-resistant cancer cellsMutant non-small cell lung cancerNon-small cell lung cancerCentral nervous system relapseMolecular studiesMember AEGFR-mutant lung cancerFactor receptorNervous system relapseCell lung cancerDisseminated tumor cellsBrain tumor microenvironment
2017
Discrepancies between biomarkers of primary breast cancer and subsequent brain metastases: an international multicenter study
Kaidar-Person O, Meattini I, Jain P, Bult P, Simone N, Kindts I, Steffens R, Weltens C, Navarria P, Belkacemi Y, Lopez-Guerra J, Livi L, Baumert B, Vieites B, Limon D, Kurman N, Ko K, Yu J, Chiang V, Poortmans P, Zagar T. Discrepancies between biomarkers of primary breast cancer and subsequent brain metastases: an international multicenter study. Breast Cancer Research And Treatment 2017, 167: 479-483. PMID: 28975433, DOI: 10.1007/s10549-017-4526-8.Peer-Reviewed Original ResearchConceptsBreast cancer patientsSubsequent brain metastasesHuman epidermal growth factor receptor 2Brain metastasesCancer patientsEthical research committeeReceptor statusPrimary tumorProgesterone receptorEstrogen receptorEpidermal growth factor receptor 2Triple-negative profileGrowth factor receptor 2Primary breast cancerPrimary breast tumorsInternational multicenter studyFactor receptor 2Multicenter studyAvailable histologyResultsA totalBreast cancerReceptor 2ConclusionsThe majorityPatientsBreast tumors
2013
Role of stereotactic radiosurgery in patients with more than four brain metastases
Jairam V, Chiang V, Yu JB, Knisely J. Role of stereotactic radiosurgery in patients with more than four brain metastases. CNS Oncology 2013, 2: 181-193. PMID: 24273642, PMCID: PMC3835313, DOI: 10.2217/cns.13.4.Peer-Reviewed Original ResearchConceptsWhole-brain radiation therapyBrain metastasesStereotactic radiosurgeryIntracranial relapseUse of SRSFirst-line therapyFirst-line treatmentNeurocognitive side effectsTreatment of patientsMultiple small dosesUndetected metastasesMedical CenterRadiation therapyHigh doseInstitutional trialsSide effectsPatientsMetastasisWhole brainSmall dosesTarget volumeEarly dementiaMemory lossRadiation treatmentRelapse
2001
Ventriculopleural shunt obstruction and positive-pressure ventilation. Case report.
Chiang V, Torbey M, Rigamonti D, Williams M. Ventriculopleural shunt obstruction and positive-pressure ventilation. Case report. Journal Of Neurosurgery 2001, 95: 116-8. PMID: 11453379, DOI: 10.3171/jns.2001.95.1.0116.Peer-Reviewed Original ResearchConceptsPositive pressure ventilationShunt obstructionExternal cerebrospinal fluid (CSF) drainageLow-pressure hydrocephalusCerebrospinal fluid drainagePatient's comaRespiratory managementVentriculopleural shuntShunt functionFluid drainageUnusual caseIntrapleural pressureVentilationNormal sizePatientsComaObstructionShuntHydrocephalusVentricle
2000
cDNA cloning, chromosomal localization, and expression analysis of human BEHAB/brevican, a brain specific proteoglycan regulated during cortical development and in glioma
Gary S, Zerillo C, Chiang V, Gaw J, Gray G, Hockfield S. cDNA cloning, chromosomal localization, and expression analysis of human BEHAB/brevican, a brain specific proteoglycan regulated during cortical development and in glioma. Gene 2000, 256: 139-147. PMID: 11054543, DOI: 10.1016/s0378-1119(00)00362-0.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBase SequenceBrainBrevicanCarrier ProteinsCerebral CortexChondroitin Sulfate ProteoglycansChromosome MappingChromosomes, Human, Pair 1Cloning, MolecularDNA, ComplementaryGene ExpressionGene Expression Regulation, DevelopmentalGene Expression Regulation, NeoplasticGliomaHumansLectins, C-TypeMolecular Sequence DataNerve Tissue ProteinsProtein IsoformsProteoglycansRNATranscription, GeneticConceptsBEHAB/brevicanHuman gliomasChondroitin sulfate proteoglycanNormal adult cortexBrain-specific proteoglycanNormal human cortexBrain-specific memberAdult cortexCortical developmentRNase protection analysisGliomasHuman cortexNormal levelsBrain developmentLow levelsLectican familyExtracellular matrixBrevicanSpecific proteoglycansSulfate proteoglycanHuman brainCortexMiceFull-length isoformUniformly low levelToward more rational prediction of outcome in patients with high-grade subarachnoid hemorrhage.
Chiang V, Claus E, Awad I. Toward more rational prediction of outcome in patients with high-grade subarachnoid hemorrhage. Neurosurgery 2000, 46: 28-35; discussion 35-6. PMID: 10626932, DOI: 10.1097/00006123-200001000-00006.Peer-Reviewed Original ResearchConceptsGlasgow Coma ScaleHigh-grade subarachnoid hemorrhageWorse clinical gradeSubarachnoid hemorrhageHess scaleOutcome predictionWFNS scaleMultivariate analysisPoor outcome groupGlasgow Outcome ScaleClinical grading scaleNeurological Surgeons (WFNS) scalePretreatment gradeComa ScaleConsecutive patientsKarnofsky scalePoor outcomeSingle institutionAccurate outcome predictionClinical examinationOutcome ScaleFavorable outcomeMental statusOutcome groupClinical grade
1999
Neonatal galenic arteriovenous malformation.
Chiang V, Awad I, Berenstein A, Scott M, Spetzler R, Alexander M. Neonatal galenic arteriovenous malformation. Neurosurgery 1999, 44: 847-54. PMID: 10201310, DOI: 10.1097/00006123-199904000-00087.Peer-Reviewed Original Research