Transvenous embolization for a purely intraorbital arteriovenous fistula. Case report.

Deguchi, Jun; Yamada, Makoto; Ogawa, Ryusuke; Kuroiwa, Toshihiko · J Neurosurg · 2005

case_report · Level V

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Abstract

Purely intraorbital arteriovenous fistulas (AVFs) are rare, and their clinical management is controversial. The authors successfully treated a patient with an intraorbital AVF by transvenous embolization alone. An accurate distinction between an arteriovenous malformation (AVM), which is characterized by the existence of a nidus, and an AVF, which has no nidus, is important and requires superselective ophthalmic artery angiography. Treatment of an intraorbital AVF by transvenous embolization can improve visual function.

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