Dural arteriovenous fistulas

    Dural arteriovenous fistulas

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    Definition of Dural arteriovenous fistulas

    Dural arteriovenous fistulas are abnormal connections between an artery and the tough covering over the brain or spinal cord (dura) and a draining vein. Abnormal passageways between arteries and veins (arteriovenous fistulas) may occur in the brain, spinal cord or other areas of your body.