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磁共振成像 (ＭＲＩ)技术在不断发展 ,弥散加权成像(ＤＷＩ)和灌注加权成像 (ＰＷＩ)技术的出现 ,在显示中风病理生理学变化的敏感度方面是其它成像方法难以与之相比的 ,对于确定早期脑缺血的部位和范围以及指导脑梗死的溶栓治疗显示了一定的应用价值[1] 。1 对于ＤＷＩ和ＰＷ
The advent of magnetic resonance imaging (MRI) technology in the continuous development of diffusion-weighted imaging (DWI) and perfusion-weighted imaging (PWI) technologies is difficult compared with other imaging methods in demonstrating the sensitivity of pathophysiological changes in stroke Determine the location and scope of early cerebral ischemia and thrombolytic therapy to guide cerebral infarction has shown some value [1]. 1 For DWI and PW