CalcitoninCarcinoma, MedullaryThyroid NeoplasmsThyroid GlandParathyroid DiseasesProto-Oncogene Proteins c-retMultiple Endocrine Neoplasia Type 2aCalcitonin Gene-Related PeptideMultiple Endocrine Neoplasia Type 2bThyroid DiseasesThyroidectomyThyroid HormonesThyroid NoduleMultiple Endocrine NeoplasiaPheochromocytomaCarcinomaReceptor Protein-Tyrosine KinasesThyroid Function TestsAdrenal Gland NeoplasmsGerm-Line MutationPentagastrinCarcinoma, PapillaryReceptors, Thyroid HormoneAdenocarcinoma, FollicularCarcinoembryonic AntigenThyrotropinIodine RadioisotopesTriiodothyronineCalcium GluconateThyroxineHypothyroidismChromogranin AThyroglobulinDrosophila ProteinsRadioimmunotherapyProto-Oncogene ProteinsPentetic AcidAglaiaIodide PeroxidaseThyroid Hormone Receptors betaBiopsy, Fine-NeedleStemonaceaeHyperthyroidismHirschsprung DiseaseGoiterReceptors, SomatostatinIndium RadioisotopesImmunoradiometric AssayIodineTechnetium Tc 99m Dimercaptosuccinic AcidNeuroendocrine Tumors3-IodobenzylguanidineProto-OncogenesThyroiditis, AutoimmuneOctreotideMutationGenetic TestingRadioimmunodetectionMetanephrineLymph Node ExcisionThyroid Hormone Receptors alphaAntibodies, BispecificGraves DiseaseEndocrine Gland NeoplasmsCodonTumor Markers, BiologicalReceptor, Cholecystokinin BHyperplasiaLymphatic MetastasisIodobenzenesRadioimmunoassayNeuromaNeoplastic Syndromes, HereditaryGoiter, NodularParathyroid NeoplasmsPedigreeCarcinoma, Papillary, FollicularExonsSomatostatinOncogene ProteinsThyroid CrisisDNA, NeoplasmThyroiditisChromograninsAntithyroid AgentsGene Expression Regulation, NeoplasticIodidesChromosomes, Human, Pair 10Receptors, ThyrotropinDihydroxyphenylalanineDNA Mutational AnalysisPolymorphism, Single-Stranded ConformationalRNA, MessengerPolymerase Chain ReactionProtein PrecursorsNeoplasm MetastasisParagangliomaPiperidinesTumor Cells, CulturedCell Line, Tumor