Tomography, X-Ray ComputedRadiopharmaceuticalsPositron-Emission TomographyReproducibility of ResultsFluorodeoxyglucose F18Sensitivity and SpecificityMagnetic Resonance ImagingAlgorithmsImage Processing, Computer-AssistedRetrospective StudiesFollow-Up StudiesRadionuclide ImagingImaging, Three-DimensionalGallium RadioisotopesTechnetiumWhole Body ImagingTomography, Emission-ComputedBrainGenetic LinkageLod ScoreRadiographic Image Interpretation, Computer-AssistedPhantoms, ImagingArtifactsImage Interpretation, Computer-AssistedTomography, Emission-Computed, Single-PhotonRadiographic Image EnhancementRadiation DosageRadiography, AbdominalImage EnhancementObserver VariationPredictive Value of TestsRadiography, ThoracicCone-Beam Computed TomographyProspective StudiesGenome, HumanOrganotechnetium CompoundsVentilation-Perfusion RatioTime FactorsChromosome MappingTomography, Spiral ComputedTreatment OutcomeMultimodal ImagingFluorine RadioisotopesWhole-Body CountingTomography, Optical CoherenceIodine RadioisotopesContrast MediaSubtraction TechniqueUltrasonography, Doppler, DuplexTechnetium Tc 99m Aggregated AlbuminPulmonary EmbolismQuantitative Trait LociTomography Scanners, X-Ray ComputedUltrasonography, PrenatalBone NeoplasmsTechnetium Tc 99m Dimercaptosuccinic AcidBrain DiseasesSodium Pertechnetate Tc 99mGenome-Wide Association StudyUltrasonographyGenetic Predisposition to DiseaseRadiometryOxygen RadioisotopesTechnetium Tc 99m ExametazimeAtrophyIncidental FindingsOximesBone and BonesMicrosatellite RepeatsGalliumChromosomes, Human, Pair 2Feasibility StudiesIndium RadioisotopesGenetic MarkersTechnetium Tc 99m SestamibiPedigreeParanasal SinusesSignal-To-Noise RatioAortic Aneurysm, AbdominalEquipment DesignLungCerebral InfarctionPolymorphism, Single NucleotideLung NeoplasmsGenotypeXenon RadioisotopesAngiographyCerebral HemorrhageRadioisotopesOxyquinolinePreoperative CareDiagnostic ErrorsTechnetium Tc 99m Sulfur ColloidAnatomy, Cross-SectionalThyroid NeoplasmsPattern Recognition, AutomatedChromosomes, Human, Pair 1PrognosisSuccimerPatient Positioning