Application of functional magnetic resonance diffusion weighted imaging(DWI) and perfusion weighted imaging(PWI) MRI can diagnose early acute cerebral infarction.

• 功能MR弥散加权成像(DWI)和血流灌注成像(PWI)磁共振技术的应用可诊断早期脑梗死,结合DWI和PWI可以确定缺血半暗带和血流灌注情况;