2000
Evaluation of Polymerase Chain Reaction, Adenosine Deaminase, and Interferon-γ in Pleural Fluid for the Differential Diagnosis of Pleural Tuberculosis
Villegas M, Labrada L, Saravia N. Evaluation of Polymerase Chain Reaction, Adenosine Deaminase, and Interferon-γ in Pleural Fluid for the Differential Diagnosis of Pleural Tuberculosis. CHEST Journal 2000, 118: 1355-1364. PMID: 11083686, DOI: 10.1378/chest.118.5.1355.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine DeaminaseAge FactorsBacteriological TechniquesBayes TheoremBiopsyBloodChi-Square DistributionDiagnosis, DifferentialDNA, BacterialFemaleFeverHumansInterferon-gammaMaleMiddle AgedMycobacterium tuberculosisPleural DiseasesPleural EffusionPleural NeoplasmsPolymerase Chain ReactionPredictive Value of TestsSensitivity and SpecificitySputumTuberculosis, PleuralConceptsIFN-gamma levelsADA activity determinationPleural tuberculosisPolymerase chain reactionPleural effusionPleural fluidADA activityNonspecific clinical presentationPleural biopsy specimensTuberculous pleural effusionChain reactionAlternative diagnostic strategiesDifferent clinical settingsNegative predictive valueMeasurement of interferonAdenosine deaminase activityCombination of PCRMalignant etiologyUndetermined etiologyClinical presentationPaucibacillary natureClinical variablesPatient populationPleural biopsyDiagnostic challenge
1997
In Situ Characterization of the Human Host Response to Leishmania panamensis
Palma G, Saravia N. In Situ Characterization of the Human Host Response to Leishmania panamensis. American Journal Of Dermatopathology 1997, 19: 585-590. PMID: 9415615, DOI: 10.1097/00000372-199712000-00006.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnimalsAntibodies, ProtozoanAntigen-Antibody ReactionsAntigens, ProtozoanBiomarkersBiopsyCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesEpidermisFluorescent Antibody Technique, IndirectGranulocytesGranulomaHumansImmunity, CellularImmunohistochemistryLeishmaniaLeishmaniasisLymphocyte ActivationMaleMiddle AgedNecrosisRegression AnalysisSkinConceptsHuman host responseHost responseLeishmania panamensisPresence of amastigotesT cell subpopulationsImmune response dataIndirect immunoperoxidase methodCD8 ratioDermal infiltrateMale patientsHistopathologic changesParticular cell populationPrognostic indicatorLeishmania infectionSkin biopsiesPlasma cellsT cellsDermal distributionCutaneous leishmaniasisProspective analysisB cellsB lymphocytesUpper dermisImmunoperoxidase methodDisease evolution
1991
Correlation between histopathology, immune response, clinical presentation, and evolution in Leishmania braziliensis infection.
Gutierrez Y, Salinas G, Palma G, Valderrama L, Santrich C, Saravia N. Correlation between histopathology, immune response, clinical presentation, and evolution in Leishmania braziliensis infection. American Journal Of Tropical Medicine And Hygiene 1991, 45: 281-9. PMID: 1928562, DOI: 10.4269/ajtmh.1991.45.281.Peer-Reviewed Original ResearchConceptsPresence of amastigotesImmune responseClinical presentationLeishmania-specific immune responseAbsence of amastigotesPresence of epithelioidLymphocyte transformation responsesPresence of granulomasRole of antibodiesCellular immune responsesPresence of eosinophilsSerum antibody titersLeishmania braziliensis infectionPresence of LeishmaniaLeishmanial lesionsBraziliensis infectionCellular infiltrateType hypersensitivityClinical parametersActive lesionsAntibody titersEvolution of diseaseSoluble mediatorsTegumentary leishmaniasisEpitheloid cells