Sensitivity and SpecificityTomography, X-Ray ComputedDelayed DiagnosisMagnetic Resonance ImagingPrenatal DiagnosisEarly DiagnosisBiopsyFatal OutcomeRetrospective StudiesDiagnostic ErrorsCalorimetry, Differential ScanningCystsImmunohistochemistryPredictive Value of TestsDiagnosisTumor Markers, BiologicalDiagnosis, Computer-AssistedReproducibility of ResultsTime FactorsTreatment OutcomeSyndromePolymerase Chain ReactionBiopsy, NeedleChoristomaProspective StudiesPregnancyInfant, NewbornLipomaHemangiomaPrognosisFollow-Up StudiesLymphatic DiseasesBiological MarkersFetal DiseasesMolecular Sequence DataPleural EffusionROC CurveRare DiseasesBiopsy, Fine-NeedleGranuloma, Plasma CellEpidermal CystAcute DiseaseGene Expression ProfilingKeratin-7Tongue DiseasesHamartomaUltrasonography, Doppler, ColorNeurilemmomaFibromaRisk FactorsRadiography, ThoracicUltrasonographyUltrasonography, PrenatalAdenocarcinomaMucoceleRNA, MessengerAlgorithmsSkin NeoplasmsPancreatic CystNursing DiagnosisPancreatic NeoplasmsAbdomen, AcuteEnzyme-Linked Immunosorbent AssayHemangioma, CavernousFalse Positive ReactionsBase SequenceBrainEndosonographyMediastinal DiseasesMesotheliomaPleural Effusion, MalignantBrain NeoplasmsFever of Unknown OriginDog DiseasesMutationPhysical ExaminationCystadenomaDiagnosis, DifferentialSoft Tissue NeoplasmsSpinal NeoplasmsLung NeoplasmsHeadacheHemangiopericytomaReverse Transcriptase Polymerase Chain ReactionBrain DiseasesMicroscopyAge FactorsDiagnostic ImagingPreimplantation DiagnosisTuberculosis, GastrointestinalCase-Control StudiesContrast MediaMeningiomaEchinococcosisClinical Enzyme TestsOligonucleotide Array Sequence AnalysisCystadenoma, MucinousFalse Negative ReactionsChronic DiseaseBreast Neoplasms