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  • Title: Spontaneous Vertebral Arteriovenous Fistula Mimicking Brachial Radiculoplexopathy.
    Author: Larson AS, Rinaldo L, Arnold Fiebelkorn CE, Young NP, Lanzino G.
    Journal: World Neurosurg; 2020 Jun; 138():309-312. PubMed ID: 32217181.
    Abstract:
    BACKGROUND: Vertebral arteriovenous fistulas (VAVFs) are uncommon high-flow communications between a vertebral artery and surrounding venous plexus that occur spontaneously or secondary to trauma. CASE DESCRIPTION: A woman aged 57 years presented with a multiday history of rapidly progressive numbness and weakness in the left C5-C6 dermomyotomes. Her physical examination findings and subsequent electrophysiological testing were suggestive of a brachial radiculoplexopathy. Noninvasive imaging demonstrated venous congestion with multilevel compromise of the left-sided cervical foramina, and subsequent vertebral angiography confirmed a VAVF, which was treated with trapping of the involved vertebral artery segment. Her numbness and weakness progressively improved with concurrent involution of the dilated veins. CONCLUSIONS: This is a rare case of VAVF manifesting as a brachial radiculoplexopathy. Although rare, VAVF may be considered as a potential cause in patients presenting with similar symptoms.
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