目的探讨磁共振扩散加权成像（DWI）和灌注加权成像（PWI）对早期脑梗死缺血半暗带（IP）的诊断价值。
Objective To explore the value of diffusion weighed imaging (DWI) and perfusion weighted imaging (PWI) in the diagnosis of the ischemic penumbra (IP) of superacute infarction.
目的对比磁共振扩散加权成像（DWI）、灌注加权成像（PWI）和CT灌注成像（CTPI）评价急性脑静脉闭塞模型的价值。
Objective To compare the value of MR diffusion weighted imaging (DWI), perfusion weighted imaging (PWI), and CT perfusion imaging (CTPI) in evaluating a model of acute cerebral venous occlusion.
灌注和弥散加权磁共振成像在脑梗死超早期有着潜在的应用价值。
Perfusion - and diffusion-weighted MRI has potential application values in hyperacute cerebral infarction.
目的评价磁共振弥散加权成像（DWI）和灌注加权成像（PWI）在急性脑缺血中的诊断价值。
Objective To evaluate diagnostic value of diffusion-weighted imaging (DWI) and perfusion-weighted imaging(PWI) in acute cerebral ischemia.
磁共振脑血流灌注加权成像是功能磁共振成像的一个重要组成部分。
MR perfusion-weighted imaging is an important part of the functional MR imaging.
磁共振脑血流灌注加权成像是功能磁共振成像的一个重要组成部分。
MR perfusion-weighted imaging is an important part of the functional MR imaging.
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