Tomography, X-Ray ComputedTomography, Spiral ComputedSpiral GanglionTomographyPositron-Emission TomographyTomography, Optical CoherenceTechnologySpiral Ligament of CochleaTomography, Emission-ComputedTomography, OpticalMultidetector Computed TomographyBiomedical TechnologyTomography, Emission-Computed, Single-PhotonCone-Beam Computed TomographyElectron Microscope TomographyTomography, X-RayImaging, Three-DimensionalTomography Scanners, X-Ray ComputedTechnology Assessment, BiomedicalSensitivity and SpecificityCochleaFluorodeoxyglucose F18Technology TransferReproducibility of ResultsSpiral LaminaImage Processing, Computer-AssistedEquipment DesignMagnetic Resonance ImagingAlgorithmsPhantoms, ImagingMedical Laboratory ScienceRadiographic Image Interpretation, Computer-AssistedDiagnostic ImagingEducational TechnologyPredictive Value of TestsSpiral Cone-Beam Computed TomographyTechnology, DentalRadiographic Image EnhancementX-Ray MicrotomographyContrast MediaStria VascularisTechnology, High-CostMultimodal ImagingTime FactorsImage EnhancementFluorine RadioisotopesArtifactsRetrospective StudiesBrainTreatment OutcomeProspective StudiesOrgan of CortiCalcinosisTechnology, RadiologicRadiography, ThoracicDeafnessEquipment Failure AnalysisCoronary AngiographyTemporal BoneMedical InformaticsFour-Dimensional Computed TomographyCochlear DuctReproductive Techniques, AssistedFeasibility StudiesObserver VariationCochlear NerveComputer SimulationRadiation DosageEvoked Potentials, Auditory, Brain StemSoftwareUterine ArteryAngiographyEar, InnerCoronary Artery DiseaseRadiography, AbdominalBiotechnologyCountercurrent DistributionTrophoblastsFollow-Up StudiesDiagnostic Techniques, OphthalmologicalTechnology, PharmaceuticalTelemedicineCardiac-Gated Imaging TechniquesHair Cells, AuditoryOligonucleotide Array Sequence AnalysisMacula LuteaModels, CardiovascularInternetGene Expression ProfilingSelf-Help DevicesNerve FibersModels, BiologicalPregnancyCarbon RadioisotopesAnatomy, Cross-SectionalSequence Analysis, DNAOxygen RadioisotopesMedical Informatics ApplicationsLung NeoplasmsIohexol