Persistent Hypoglossal Artery: An Anomaly Leading to False-Positive Carotid Duplex Sonography

doi:10.1007/BF02042743

Annals of Vascular Surgery

Volume 6, Issue 2, March 1992, Pages 176-178

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Duplex ultrasonography is becoming increasingly popular as the sole diagnostic test in the evaluation of carotid artery bifurcation disease. We present a patient with a persistent hypoglossal artery, a rare primitive internal carotid-basilar anastomosis, masquerading as an internal carotid artery stenosis on ultrasound. The operative management of this anomaly is reviewed.

Key Words

Hypoglossal artery

ultrasonography

aderiography

carotid artery

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: Reprint requests: Bauer E. Sumpio, MD, PhD, Division of Vascular Surgery, Department of Surgery, Yale University School of Medicine, 333 Cedar Street, P.O. Box 3333, New Haven, Connecticut 06510.