Endovascular Treatment of Spetzler-Martin Grade III Arteriovenous Malformations: A Single-Center 12 years' Experience Stratified by the Spetzler-Martin Modified Scale.

Although morbidity is non-negligible, endovascular treatment of SM grade III lesions with advanced techniques offers up to 100% rates of cure, which is of high interest, especially for ruptured deep-seated eloquent AVMs with high reruptured rates, and less amenable to microsurgery techniques.