Horner SyndromeConnective TissueCarotid ArteriesCarotid StenosisCarotid Artery DiseasesEndarterectomy, CarotidCarotid Artery, InternalCarotid Artery, CommonCarotid BodyCarotid SinusNerve Sheath NeoplasmsCarotid Artery, ExternalMyelin SheathCarotid Artery ThrombosisCarotid Artery InjuriesCarotid Intima-Media ThicknessTunica IntimaTunica MediaCarotid Body TumorCarotid Artery, Internal, DissectionEndarterectomyUltrasonography, Doppler, DuplexStentsCerebral AngiographyIschemic Attack, Transient