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RT Journal Article
SR Electronic
T1 Three Cases of Dural Arteriovenous Fistula of the Anterior Condylar Vein within the Hypoglossal Canal
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 2016
OP 2020
VO 20
IS 10
A1 Ernst, Robert
A1 Bulas, Robert
A1 Tomsick, Thomas
A1 van Loveren, Harry
A1 Abdel Aziz, Khaled
YR 1999
UL http://www.ajnr.org/content/20/10/2016.abstract
AB Summary: Dural arteriovenous fistulas (DAVFs) of the anterior condylar vein are an uncommon but important subset of fistulas occurring at the skull base that can be confused with DAVFs of the marginal sinus on angiography. MR angiography source images can document the intraosseous extent and the relationship to the hypoglossal canal of this type of fistula, which can have significant clinical implications. We present the imaging features of angiography, CT, and MR angiography of three cases of DAVFs localized to the anterior condylar vein and within the hypoglossal canal, which were confirmed by source images from MR angiography. Transvenous coil embolization was curative in two of three cases and would seem to be the treatment of choice when venous access is available.