Tomography, X-Ray ComputedUltrasonographyTomographyUltrasonography, Doppler, ColorPositron-Emission TomographyTomography, Optical CoherenceUltrasonography, DopplerTomography, Emission-ComputedTomography, Spiral ComputedUltrasonography, PrenatalTomography, OpticalMultidetector Computed TomographyTomography, Emission-Computed, Single-PhotonSensitivity and SpecificityEndosonographyCone-Beam Computed TomographyElectron Microscope TomographyUltrasonography, Doppler, DuplexImaging, Three-DimensionalUltrasonography, InterventionalUltrasonography, MammaryUltrasonography, Doppler, PulsedTomography, X-RayProspective StudiesReproducibility of ResultsContrast MediaFluorodeoxyglucose F18Predictive Value of TestsRetrospective StudiesUltrasonography, Doppler, TranscranialTomography Scanners, X-Ray ComputedMagnetic Resonance ImagingPregnancyGenitalia, FemaleSulfur HexafluorideImage Processing, Computer-AssistedTreatment OutcomeDiagnostic ImagingSex CharacteristicsTime FactorsFollow-Up StudiesSex FactorsObserver VariationImage EnhancementBlood Flow VelocityUrographyCystsRadiography, AbdominalPreoperative CareRisk FactorsMultimodal ImagingSexual Behavior, AnimalAngiographyLiver NeoplasmsAbdomenX-Ray MicrotomographyFetal DiseasesScrotumVaginaPhantoms, ImagingCarotid Artery DiseasesFluorine RadioisotopesRadiography, ThoracicBrainSeverity of Illness IndexAbdominal InjuriesReproductionCerebrovascular CirculationCalcinosisOvaryRadiographic Image Interpretation, Computer-AssistedPalpationReference ValuesFalse Positive ReactionsSplenic DiseasesCarotid ArteriesPelvisBiopsyIncidental FindingsGestational AgeWounds, NonpenetratingInfant, NewbornFeasibility StudiesAge FactorsGallbladderRadiographic Image EnhancementAlgorithmsOvarian CystsAbdominal PainPrognosisROC CurveUterusBiopsy, NeedleAnatomy, Cross-SectionalFour-Dimensional Computed TomographyThyroid NoduleEchoencephalographyTransducersHydronephrosisNeoplasm Staging