Type I Spinal Arteriovenous Fistula with Ventral Intradural Venous Drainage: A Proposal of a Modified Classification.
作者信息
Adeeb Nimer, Moore Justin M, Alturki Abdulrahman Y, Bulsara Ketan R, Griessenauer Christoph J, Patel Apar S, Gupta Raghav, Tubbs R Shane, Ogilvy Christopher S, Thomas Ajith J
机构信息
Department of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
Department of Neurosurgery, King Fahad Medical City, National Neurosciences Institute, Riyadh, Saudi Arabia.
出版信息
Asian J Neurosurg. 2018 Oct-Dec;13(4):1048-1052. doi: 10.4103/ajns.AJNS_100_17.
OBJECTIVES
Spinal arteriovenous fistula (AVF) is the most common spinal vascular lesion and constitutes an abnormal communication between a feeder artery and a draining vein. Arterialization of the venous plexus leads to venous hypertension; consequent edema and congestion of the spinal cord are associated with progressive neurological decline.
PATIENTS AND METHODS
In this report, we describe two unique cases of type I cervical spinal AVF, in which a radiculomeningeal artery forms an intradural fistula that drains into the ventral venous plexus.
RESULTS
Both patients underwent surgical obliteration of the fistula with complete occlusion confirmed on postoperative angiography.
CONCLUSION
Both cases do not fit into the current classification scheme. A modified classification is proposed.
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