症状性颅内动脉粥样硬化疾病(SICAD)是药物难控性脑缺血疾病的主要病因之一。随着神经放射学的不断发展和介入新技术应用于临床,特别是Wingspan支架系统在临床的推广使用,球囊扩张及支架成形术已成为治疗SICAD的主要手段。 Symptomatic intracranial atherosclerotic disease (SICAD) is one of the major causes of drug-refractory cerebral ischemia. With the continuous development of neuroradiology and the new technology involved in the clinical application, especially the Wingspan stent system is widely used clinically, balloon dilatation and stent angioplasty have become the main means of treatment of SICAD.