Focal Nodular HyperplasiaAdenoma, Liver CellHyperplasiaLiver NeoplasmsLiver DiseasesHemangiomaLiverContrast MediaCarcinoma, HepatocellularSulfur HexafluorideKeratin-7Contraceptives, OralTomography, Spiral ComputedKeratin-19Image EnhancementGadolinium DTPATomography, X-Ray ComputedHepatectomyProstatic HyperplasiaAngiographyPolysaccharidesParathyroid GlandsMagnetic Resonance ImagingHyperparathyroidism, SecondaryBrunner GlandsSensitivity and Specificity