ParagangliomaPheochromocytomaParaganglioma, Extra-AdrenalAdrenal Gland NeoplasmsSuccinate DehydrogenaseMetanephrineCarotid Body Tumor3-IodobenzylguanidineNormetanephrineAbdominal NeoplasmsPC12 CellsGlomus Jugulare TumorRetroperitoneal NeoplasmsCatecholaminesCauda EquinaGerm-Line MutationElectron Transport Complex IIMultiple Endocrine Neoplasia Type 2aIodobenzenesVanilmandelic Acidvon Hippel-Lindau DiseasePara-Aortic BodiesChromogranin AMultiple Endocrine NeoplasiaPeripheral Nervous System NeoplasmsAdrenalectomyCervicoplastyTomography, X-Ray ComputedAortic BodiesNerve Growth FactorsVon Hippel-Lindau Tumor Suppressor ProteinDihydroxyphenylalanineMediastinal NeoplasmsIodine RadioisotopesIncidental FindingsGanglioneuromaProto-Oncogene Proteins c-retGenital Neoplasms, MaleChromograninsSomatostatinomaHypoglossal Nerve DiseasesRadiopharmaceuticalsSpermatic CordThoracic NeoplasmsPeplomycinHead and Neck NeoplasmsCarney ComplexNeoplasms, Multiple PrimaryCranial Nerve NeoplasmsPolycythemiaSynaptophysinDNA Mutational Analysis