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Background: We describe a rare case of idiopathic lower cervical vertebro-vertebral arteriovenous fistula (VVAVF) with compression of the nerve roots and spinal cord, successfully treated with detachable coils utilizing the transarterial balloon-assisted technique without complication of coil mass. Case Description: A 68-year-old woman was admitted for numbness of the left upper limb and pain in the left neck. Cervical magnetic resonance imaging (MRI) revealed compression of nerve roots and spinal cord by a large vascular lesion. The left vertebral angiography demonstrated a VVAVF draining into the vertebral venous plexus at C5 level. Under general anesthesia, the fistula site was accessed with a microcatheter through the right femoral artery, and successful embolization performed by compactly placing several detachable coils using balloon-assisted technique. The patient made a full recovery, with long-term MRI-documented left vertebral artery patency and no fistular leakage, and without postoperative complications. Conclusion: Target occlusion utilizing the balloon-assisted technique in this case of VVAVF with compression of nerve roots and spinal cord, was effective in improving neurological symptoms, and achieved long-term occlusion when preservation of the VA was desired.

Successful balloon-assisted coil embolization for a diagnostically difficult case of spontaneous vertebrovertebral arteriovenous fistula