Abstract
Ten patients with scalp arteriovenous fistulas associated with a large varix (cirsoid aneurysms) were treated with a combination of interventional neuroradiologic procedures. These procedures included transarterial embolization, transarterial embolization followed by surgical excision, and two new methods of treatment of cirsoid aneurysms: transvenous embolization and direct puncture of the fistula for embolization. The embolic materials included liquid adhesive agents, particulate agents, detachable balloons, and wire coils. The embolization was performed to lodge the embolic agents in the fistula or proximal draining vein, not just the feeding vessels. Surgery was performed in two cases to remove a small residual nidus of fistula that could not be completely treated with intravascular embolization. With the use of these forms of treatment, cures were obtained in seven patients, and clinical and angiographic improvement was achieved in three patients. No major morbidity, blood loss, or mortality occurred during the treatment of these patients. The follow-up period ranged from 1 month to 8 years.
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