2017
Cerebrospinal fluid circulating tumor cells: a novel tool to diagnose leptomeningeal metastases from epithelial tumors
Lin X, Fleisher M, Rosenblum M, Lin O, Boire A, Briggs S, Bensman Y, Hurtado B, Shagabayeva L, DeAngelis LM, Panageas KS, Omuro A, Pentsova EI. Cerebrospinal fluid circulating tumor cells: a novel tool to diagnose leptomeningeal metastases from epithelial tumors. Neuro-Oncology 2017, 19: 1248-1254. PMID: 28821205, PMCID: PMC5570249, DOI: 10.1093/neuonc/nox066.Peer-Reviewed Original ResearchConceptsDiagnosis of LMLeptomeningeal metastasesCSF CTCsCSF cytologyEpithelial tumorsMRI findingsOptimal cutoffInstitutional review board-approved prospective studyTumor cellsNegative predictive value 97ROC analysisRare cell capture technologyPositive predictive value 90Positive CSF cytologyCSF of patientsSolid tumor patientsPrevious pilot studyClinical suspicionProspective studyCytology examinationTumor patientsLarge cohortCerebrospinal fluidPatientsStandard MRI
2013
Rare cell capture technology for the diagnosis of leptomeningeal metastasis in solid tumors
Nayak L, Fleisher M, Gonzalez-Espinoza R, Lin O, Panageas K, Reiner A, Liu CM, DeAngelis LM, Omuro A. Rare cell capture technology for the diagnosis of leptomeningeal metastasis in solid tumors. Neurology 2013, 80: 1598-1605. PMID: 23553479, PMCID: PMC3662321, DOI: 10.1212/wnl.0b013e31828f183f.Peer-Reviewed Original ResearchConceptsLeptomeningeal metastasesSolid tumorsCSF CTCsCSF pleocytosisLumbar punctureConventional cytologyRare cell capture technologyEarly diagnostic confirmationInitial MRI evaluationRepeat lumbar puncturePresence of CTCsClinical suspicionMRI evaluationPatient cohortDiagnostic confirmationCSF samplesPatientsTumorsCTC resultsTumor cellsPilot studyPleocytosisMetastasisCTCsPuncture