Among them, 14 were treated by Guglielmi detachable coil (GDC), 6 were treated by occlusion in internal carotid artery with detachable balliins.

• 14例用可解脱铂金弹簧圈(GDC)行动脉瘤栓塞术，6例用可脱性球囊行颈内动脉闭塞术。