Interventional Radiological Techniques in Cerebral AVMs
Though surgical removal is the best treatment of cerebral arteriovenous malformation (AVM), many AVMs located in the dominant hemisphere or in the deep brain structure can hardly be removed. Also, huge AVMs are difficult to remove. Seventeen cases of those AVMs were treated with artificial embolization in our clinic. Percutaneous interventional technique, using detachable balloon with or without cyanoacrylate derivatives and Silastic spheres, were also used. One of the main problems was a technical difficulty in injection of cyanoacrylate derivatives which resulted in two mobility.