Sensitivity and SpecificityDiagnostic ErrorsTomography, X-Ray ComputedMolecular Diagnostic TechniquesBiopsyEarly DiagnosisParasitologyPredictive Value of TestsReproducibility of ResultsBiopsy, NeedleRetrospective StudiesMagnetic Resonance ImagingFolliculitisMicroscopyClinical Laboratory TechniquesPolymerase Chain ReactionDelayed DiagnosisPathology, MolecularDermatologyPrenatal DiagnosisDiagnostic ImagingPrognosisPregnancyTreatment OutcomeBiological MarkersFatal OutcomePhysical ExaminationBiopsy, Fine-NeedleProspective StudiesInfant, NewbornUltrasonography, PrenatalReagent Kits, DiagnosticMultiplex Polymerase Chain ReactionImmunoassayEndoscopyMicrobiological TechniquesSpecimen HandlingTumor Markers, BiologicalFetal DiseasesBacteriological TechniquesTime FactorsRisk FactorsAlgorithmsCystsDiagnosisMedical History TakingSerologic TestsROC CurveAbdominal PainUltrasonographyFollow-Up StudiesEnzyme-Linked Immunosorbent AssayEndosonographyAcute DiseaseIndiaMycobacterium tuberculosisDNA Mutational AnalysisGenetic TestingImmunohistochemistryReferral and ConsultationEchocardiographyPancreatic NeoplasmsUltrasonography, Doppler, ColorPractice Guidelines as TopicContrast MediaImaging, Three-DimensionalTuberculosisSeverity of Illness IndexAge of OnsetRadiopharmaceuticalsFecesMutationMalariaBacterial InfectionsPositron-Emission TomographyPrevalenceBrain NeoplasmsPhenotypeRecurrenceAge FactorsLung NeoplasmsSkin NeoplasmsAnti-Bacterial AgentsReal-Time Polymerase Chain ReactionPedigreeImmunoenzyme TechniquesCase-Control StudiesDisease ProgressionNeoplasmsAdenocarcinomaNursing DiagnosisDiagnosis, Computer-AssistedUnited StatesIn Situ Hybridization, FluorescenceElectrocardiographyRisk AssessmentChronic DiseaseImage Processing, Computer-AssistedBrainTomography, Emission-Computed, Single-Photon