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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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6208246 | PMC |
| http://dx.doi.org/10.4103/ajns.AJNS_100_17 | DOI Listing |
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