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NEUROLOGY 2006;66:928-931
© 2006 American Academy of Neurology
Brief Communications

Frequency of spinal arteriovenous malformations in patients with unexplained myelopathy

R. G. Strom, AB, C. P. Derdeyn, MD, C. J. Moran, MD, D. T. Cross, MD, G. J. Esper, MD, A. Mazumdar, MD, M. Al-Lozi, MD, G. Lopate, MD and A. Pestronk, MD

From the Interventional Neuroradiology Service (R.G.S., C.P.D., C.J.M., A.M.), Mallinckrodt Institute of Radiology, Departments of Neurology (C.P.D., G.J.E., M.A., G.L., A.P.) and Neurological Surgery (C.P.D., C.J.M.), Washington University School of Medicine, St. Louis, MO.

Address correspondence and reprint requests to Dr. Colin P. Derdeyn, Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 South Kingshighway, St. Louis, MO 63110; e-mail: derdeync{at}wustl.edu

The authors reviewed charts of 78 myelopathy patients who underwent spinal angiography for possible arteriovenous malformations (AVMs). Twenty-two patients had an AVM. No neurologic complications from angiography were observed. MRI findings of increased T2 signal or flow voids were strongly associated with AVMs. Spinal angiography should be performed in all patients with unexplained myelopathy after neurologic evaluation and an MRI demonstrating increased T2 signal or flow voids.

Disclosure: The authors report no conflicts of interest.

Received September 15, 2005. Accepted in final form December 19, 2005.






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