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American Journal of Neuroradiology 30:995-997, May 2009
© 2009 American Society of Neuroradiology

Case Report
HEAD & NECK

Pulsatile Tinnitus from Reversal of Flow in an Aberrant Occipital Artery: Resolved after Carotid Artery Stenting

P.O. Cowleya, R. Jonesa, P. Tucha and W. McAuliffea

a From the Department of Diagnostic and Therapeutic Neuroradiology and Interventional Services of Western Australia, Sir Charles Gairdner and Royal Perth Hospitals, Perth, WA, Australia

Please address correspondence to Dr. Peter Cowley, DTNISWA, Sir Charles Gairdner Hospital, Nedlands, Perth, WA, Australia; e-mail: pedrocowley{at}gmail.com

SUMMARY: Carotid artery stent placement, performed for correction of an asymptomatic severe stenosis, leads to the resolution of persistent and troublesome pulsatile tinnitus. Tinnitus has been reported as a consequence of severe carotid stenoses on previous occasions. This case highlights how an aberrant occipital artery originating above a carotid artery stenosis can result in flow reversal and be a mechanism by which tinnitus may develop.






Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X