results:avms fed by perforators, located in the basal ganglia and post-cranial fossa, with small size, exclusively one draining vein, deep draining vein were moer likely to present with hemorrhage.
结果:穿支动脉供血、单支引流和深部引流、小病灶及位于基底节和后颅窝者易出血。
mr-dsa failed to depict 1 intranidal aneurysm and missed 1 less dilated artery and draining vein after embolization respectively, which were demonstrated clearly by 3d-cemra confirmed with dsa.