Klippel-Feil syndrome and supra-aortic arch anomaly: a case report.

Patients with Klippel-Feil syndrome have an increased incidence of supra-aortic arch anomalies. The present report presents the case of a patient who, during evaluation of his carotid arteries for nonspecific symptoms, was found to have an anomaly of the supra-aortic branches and Klippel-Feil syndrome.