颅内动脉瘤是蛛网膜下腔出血最常见的原因,不治者死亡和病残率高。近20年来随着神经放射诊断和显微外科技术的进步,颅内动脉瘤手术疗效有很大提高。但是,有相当数量的颅内动脉瘤处理仍很困难,例如梭形动脉瘤、巨大型动脉瘤、多发性动脉瘤、海绵窦内颈动脉瘤、椎基动 Intracranial aneurysms are the most common cause of subarachnoid hemorrhage, with incurable deaths and high morbidity. In the past 20 years, with the advancement of neuroradiological diagnosis and microsurgical techniques, the curative effect of intracranial aneurysms has greatly improved. However, it is still difficult to treat a considerable number of intracranial aneurysms such as fusiform aneurysms, giant aneurysms, multiple aneurysms, cavernous sinusoidal carotid aneurysms, and vertebral motions.