Methods:Fourteen patients with stenosis or occlusion of ICA were diagnosed by using TCD from April,1997 to April,1999 and were confirmed by using digital subtraction angiography(DSA) and magnetic resonance angiography(MRA).

• 方法 :1 4例患者经TCD诊断并经数字减影血管造影 (DSA)或磁共振血管成像 (MRA)。