American Journal of Neuroradiology, Vol 17, Issue 6 1137-1141, Copyright © 1996 by American Society of Neuroradiology
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Dural arteriovenous fistula at the craniocervical junction with perimedullary venous drainage
M Mascalchi, F Scazzeri, D Prosetti, G Ferrito, F Salvi and N Quilici
Cattedra di Radiologia, Universita di Pisa, Italy.
MR imaging showed swelling and diffuse signal changes in the spinal cord in two patients with progressive myelopathy. MR angiography revealed slow-flow perimedullary vessels extending to the skull base, which are consistent with drainage vessels of a dural arteriovenous fistula at the craniocervical junction. This fistula was subsequently seen in both patients on selective arteriograms of the ascending pharyngeal and vertebral arteries.
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