近年来随着新技术和新材料的不断发展,血管内治疗已在症状性颅内动脉狭窄的治疗中得到逐步应用,文献报道涉及的主要为颅内动脉主干的狭窄,如颈内动脉颅内段,大脑中动脉M1段,椎动脉颅内段和基底动脉等,而对颅内动脉分支狭窄(A2、M2)的治疗报道较少,本文结合4例临床病例对颅内动 In recent years, with the continuous development of new technologies and new materials, endovascular treatment has been gradually applied in the treatment of symptomatic intracranial arterial stenosis. The main reports in the literature relate to the stenosis of the main intracranial arteries, such as intracranial of the internal carotid artery Segment of the middle cerebral artery M1 segment, intracranial segments of the vertebral artery and the basilar artery, while the treatment of intracranial artery stenosis (A2, M2) is rarely reported, combined with 4 cases of clinical cases of intracranial