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急性缺血性卒中治疗的关键是救治发生缺血但尚存活的脑组织即缺血半暗带(IP)。因此,评价与判断IP对于临床治疗至关重要。近年来随着影像学技术的发展,人们对IP的认识逐步深入。尽管磁共振弥散加权成像和灌注加权成像方法有不足之处,但仍为目前显示IP的最佳影像方法,有良好的应用前景。现对评价IP常用的影像学方法进行综述,以了解各自特点和优劣。
The key to the treatment of acute ischemic stroke is to treat the ischemic but surviving brain tissue known as ischemic penumbra (IP). Therefore, evaluation and judgment IP is crucial for clinical treatment. In recent years, with the development of imaging technology, people’s understanding of IP gradually deepens. Although MR diffusion weighted imaging and perfusion weighted imaging method has some shortcomings, it is still the best image method for displaying IP at present, and has good application prospect. Now evaluate the IP imaging methods commonly used to review, in order to understand their strengths and weaknesses.