Focal Nodular HyperplasiaAdenoma, Liver CellHyperplasiaCarcinoma, HepatocellularLiver NeoplasmsHemangiomaLiver DiseasesContrast MediaLiverSulfur HexafluorideKeratin-7Contraceptives, OralTomography, Spiral ComputedKeratin-19Image EnhancementHepatectomyGadolinium DTPATomography, X-Ray ComputedProstatic HyperplasiaAngiographyPolysaccharidesParathyroid GlandsMagnetic Resonance ImagingHyperparathyroidism, SecondaryBrunner GlandsSensitivity and Specificity