Among 97 cases of large-artery atherosclerosis,28 cases(28.87%) were extracranial carotid arterial stenosis,58 cases were intracranial vessel stenosis.

• 97例大动脉粥样硬化型脑卒中患者中颅外段颈动脉狭窄28例(28.；87%25)；颅内血管狭窄58例(59