Carotid Body TumorCarotid BodyVagus Nerve InjuriesHypoglossal Nerve InjuriesHorner SyndromeAortic BodiesCarotid ArteriesParagangliomaChemoreceptor CellsCarotid StenosisCarotid Artery DiseasesParaganglioma, Extra-AdrenalSuccinate DehydrogenaseCarotid SinusCarotid Artery, InternalEndarterectomy, CarotidCarotid Artery, CommonHead and Neck NeoplasmsMagnetic Resonance Imaging