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KMID : 0361420110350060928
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Journal of Korean Academy of Rehabilitation Medicine
2011 Volume.35 No. 6 p.928 ~ p.933
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Cauda Equina Syndrome Caused by Spinal Dural Arteriovenous Fistula
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Shin Myung-Jun
Kim Wan
Baik Seung-Kug
Kim Soo-Yeon
Kim Sung-Nyun
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Abstract
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Spinal dural arteriovenous fistula (SDAVF) is rare but still the most commonly encountered vascular malformation of the spinal cord. A 31-year-old male developed gait disturbance due to weakness of his lower extremities, voiding diffi culty and sexual dysfunction with a progressive course since 3 months. He showed arefl exia in both knees and ankles. Electromyographic fi ndings were suggestive of multiple root lesions involving bilateral L2 to S4 roots of moderate degree. Magnetic resonance images showed high signal intensity with an ill-defi ned margin in T2-weighted images and intensely enhanced by a contrast agent through the lumbosacral spinal cord. Selective spinal angiography confirmed a dural arteriovenous fi stula with a nidus at the L2 vertebral level. After selective endovascular embolization, his symptoms drastically improved except sexual dysfunction. We report a rare case of cauda equina syndrome due to spinal arteriovenous fi stula with drastic improvement after endovascular embolization.
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KEYWORD
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Spinal dural arteriovenous fi stula, Cauda equina syndrome, Endovascular embolization
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