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 MRIDynamic contrast‐enhanced MRI perfusion for differentiating between melanoma and lung cancer brain metastases
Hatzoglou V, Tisnado J, Mehta A, Peck KK, Daras M, Omuro AM, Beal K, Holodny AI. Dynamic contrast‐enhanced MRI perfusion for differentiating between melanoma and lung cancer brain metastases. Cancer Medicine 2017, 6: 761-767. PMID: 28303695, PMCID: PMC5387174, DOI: 10.1002/cam4.1046.Peer-Reviewed Original ResearchConceptsMelanoma brain metastasesNSCLC brain metastasesLung cancer brain metastasesBrain metastasesCancer brain metastasesCell lung cancer brain metastasesDCE-MRIPrimary brain tumorsDifferent primary sitesImportant clinical implicationsMann-Whitney U testVolume transfer coefficientTumor histologyMultiple malignanciesMRI perfusionBrain tumorsMetastasisPrimary siteConventional MRIClinical implicationsPerfusion parametersTumor microvasculatureROC analysisU testPlasma volume