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1 From the Department of Medical Imaging, Division of Neuroradiology, Toronto Western Hospital, Fell Pavilion 3-404, 399 Bathurst St, Toronto, Ontario, Canada M5T 2S8 (R.I.F., J.K.K., R.A.W., W.J.M., K.t.B., J.M.C.v.D.); Laboratory of Cardiac Energetics, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Md (J.A.D.); Department of Neurosurgery, Leiden University Medical Center, Leiden, the Netherlands (J.M.C.v.D.); and Department of Imaging Research, Sunnybrook and Womens College Health Science Centre, University of Toronto, Toronto, Ontario, Canada (G.A.W.). Received April 24, 2001; revision requested May 25; revision received August 17; accepted September 7. Supported by grant A3048 from the Heart and Stroke Foundation of Ontario and a 2001 grant from the Canadian Heads of Academic Radiology/Nycomed Research Development Program. Address correspondence to R.I.F. (e-mail: richard.farb@utoronto.ca).
Nine patients with initial magnetic resonance (MR) imaging and clinical findings suggestive of spinal dural arteriovenous fistula (AVF) underwent spinal MR angiography with an autotriggered elliptic centric ordered three-dimensional gadolinium-enhanced technique (hereafter, this MR angiographic technique) before conventional intraarterial angiography. In all nine patients, findings with this MR angiographic technique correctly and precisely localized the spinal dural AVF. Observer error resulted in one case in which the site of the fistula was not prospectively reported but was easily identified retrospectively on the spinal MR angiogram.
© RSNA, 2002
Index terms: Arteriovenous malformations, dural, 379.149 Dura, 379.149 Dura, MR, 379.121411, 379.12142, 379.12143 Fistula, arteriovenous, 379.149 Magnetic resonance (MR), vascular studies, 379.121411, 379.12142, 379.12143 Spinal cord, abnormalities, 379.149
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