Rare, Intradural, Double Draining Veins in a Spinal Dural Arteriovenous Fistula

A 59-year-old man presented with a 9-month history of progressive weakness and numbness in his lower extremities (grade 4/5). Spinal MRI demonstrated extensive edema the spinal cord prominent intramedullary enhancement. Selective angiography revealed right L1 dural arteriovenous fistula (SDAVF) intradural double draining veins (figure 1). The was treated surgery successfully. patient's symptoms gradually improved after surgery. Postoperative showed significant resolution enhancement 2). SDAVF is extremely rare.1,2 This case clearly rare pattern SDAVF.