Background: Extradural arteriovenous fistulas (AVFs) of the cervical spine are extremely rare, and typically manifest as slowly progressive myelopathy caused by mass effect. This is a unique case of extradural AVF of the cervical spine manifesting with purely radicular symptoms and treated endovascularly with coil and liquid embolization.
Case Description: A 55-year-old woman presented with neck pain and right upper extremity radiculopathy persisting for 9 months. Imaging studies demonstrated an AVF spanning from C4-C6 with extension into the C5-C6 foramen supplied primarily from the deep cervical branch of the costocervical trunk. The patient underwent successful coil and liquid (Onyx) embolization. Six-week postoperatively, the patient's symptoms completely resolved and magnetic resonance imaging and angiographic imaging confirmed complete obliteration of the fistula.
Conclusion: While extradural AVFs typically present with myelopathic symptoms, they may present with solely radicular symptoms and can be successfully treated endovascularly.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10408600 | PMC |
http://dx.doi.org/10.25259/SNI_306_2023 | DOI Listing |
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