RT Journal Article SR Electronic T1 Transvenous Sonographically Guided Percutaneous Access for Treatment of an Indirect Carotid Cavernous Fistula JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1548 OP 1551 VO 24 IS 8 A1 Berkmen, Turgut A1 Troffkin, Neil A. A1 Wakhloo, Ajay K. YR 2003 UL http://www.ajnr.org/content/24/8/1548.abstract AB Summary: When standard transarterial or transvenous interventional techniques failed to provide access to treat an indirect carotid cavernous fistula, we used sonographically guided direct percutaneous access through the facial vein to successfully embolize a lesion.