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Bilateral Persistent Pharyngo-Stapedial Arteries Revealed during Evaluation of a Carotid-Cavernous Fistula: 3 Tesla MR Angiographic Aspects

By J. Jehl, L. Jeunet, M. Berraiah and J.-F. Bonneville


A 33-year-old woman was evaluated for a right carotid-cavernous fistula revealed by a proptosis and chemosis of the right eye. The initial angiogram showed a left persistent pharyngo-stapedial artery (Ph-SA). A temporal bone CT suggested bilateral pharyngo-stapedial artery persistence. The right Ph-SA was not opacified in the first angiogram because of the high degree of shunting in the fistula. Four months later the patient was admitted for treatment of the carotid-cavernous fistula. In the meantime, the fistula had altered, with spontaneous thrombosis of the ophthalmic vein, and decrease of the vascular steal, explaining that the right Ph-SA was clearly visible on the angiogram performed during the procedure

Topics: Original Articles
Publisher: Centauro S.r.l.
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Provided by: PubMed Central
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