Parathyroid NeoplasmsChoristomaParathyroid GlandsAdenomaHyperparathyroidismTechnetium Tc 99m SestamibiParathyroid HormoneHyperparathyroidism, PrimaryMediastinal NeoplasmsParathyroidectomyHypercalcemiaParathyroid DiseasesParathyroid Hormone-Related ProteinSodium Pertechnetate Tc 99mHypocalcemiaMediastinal DiseasesHyperparathyroidism, SecondaryReceptor, Parathyroid Hormone, Type 1Receptors, Calcium-SensingHyperplasiaPyriform SinusReceptors, Parathyroid HormoneMultiple Endocrine NeoplasiaCalcium GluconateAdenoma, PleomorphicSpectrometry, GammaRadiopharmaceuticalsAdenoma, VillousKaryometryMultiple Endocrine Neoplasia Type 1Thyroid NeoplasmsLasers, GasOsteitis Fibrosa CysticaCalciumEndocrine Gland NeoplasmsNeoplasms, Multiple PrimarySurgical Procedures, Minimally InvasiveJaw NeoplasmsNeuromuscular Junction DiseasesTomography, Emission-Computed, Single-PhotonTomography, X-Ray ComputedPituitary NeoplasmsPreoperative CareScleral DiseasesAdrenocortical AdenomaSternumThyroidectomyThyroid GlandAdenoma, Liver CellSubtraction TechniqueCarcinomaRadionuclide ImagingCarcinoma, PapillaryReceptor, Parathyroid Hormone, Type 2TeriparatideHypoparathyroidismChromosomes, Human, Pair 11Adenoma, ChromophobeSensitivity and SpecificityUltrasonography, Doppler, Color