Dural Arteriovenous Fistula: A Rare Finding Identified by Vascular Ultrasonography
Introduction
Intracranial dural arteriovenous fistulas (AVFs) are abnormal arteriovenous communications located in the intracranial dura mater. The main supply arteries are generally the meningeal branches of the external carotid artery, internal carotid artery, and vertebral artery. Digital subtraction cerebral angiography continues to be the standard method for diagnosing dural AVFs.,
Vascular ultrasound (VUS) is highly accurate in the diagnosis of diseases that involve extracranial vessels, and the objective of this case report is to demonstrate that, by analyzing the flow in these arteries, it is possible to consider intracranial lesions that are not accessible on conventional Doppler.
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