The neuroradiology journal
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Spinal dural arteriovenous fistulae are the most common type of spinal vascular malformations (AVMs). They have been classified into four types: dural AVM (type I), glomus AVM (type II), juvenile AVM (type III), and intradural direct arteriovenous fistula (type IV). ⋯ It is located in the extradural space involving a bone at the area of the dilated venous sac to which all the feeders converge to the margin. We describe the case of a 14-year-old girl with cervical epidural hematoma caused by a spinal epidural arteriovenous fistula.