Methods The CT,MRI,MRA and MSCT perfusion imaging of 50 patients with clinical cerebral ischemia were analysed.

• 方法分析50例临床诊断为缺血性脑卒中患者CT平扫、CT增强扫描、计算机体层摄影血管成像(CTA)、MRI及CT灌注成像的表现。