Penumbral Imaging by Using Perfusion Computed Tomography and Perfusion-Weighted Magnetic Resonance Imaging: Current Concepts

被引：6
|
作者：
Sasaki, Makoto [1 ]
Kudo, Kohsuke [1 ]
Christensen, Soren [2 ]
Yamashita, Fumio [1 ]
Goodwin, Jonathan [1 ]
Higuchi, Satomi [1 ]
Ogawa, Akira [3 ]
机构：
[1] Iwate Med Univ, Inst Biomed Sci, Div Ultrahigh Field MRI, Yahaba, Iwate 0283694, Japan
[2] Univ Melbourne, Royal Melbourne Hosp, Dept Neurol & Radiol, Parkville, Vic, Australia
[3] Iwate Med Univ, Dept Neurosurg, Yahaba, Iwate 0283694, Japan
来源：
JOURNAL OF STROKE & CEREBROVASCULAR DISEASES | 2013年 / 22卷 / 08期
关键词：
Acute stroke; ischemic penumbra; perfusion computed tomography; perfusion-weighted imaging; diffusion-perfusion mismatch; EVALUATION TRIAL EPITHET; STROKE EVOLUTION DEFUSE; ACUTE ISCHEMIC-STROKE; DIFFUSION; CT; REPERFUSION;
D O I：
10.1016/j.jstrokecerebrovasdis.2012.10.002
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Perfusion computed tomography and perfusion-weighted magnetic resonance imaging are used to evaluate the extent of the area with ischemic penumbra; however, different parameters, algorithms, and software packages show significant discrepancies in the size of perfusion abnormalities, which should be minimized. Recently, cross-validation studies were performed using digital phantoms and have elucidated the precision and reliability of various penumbral imaging techniques. These research initiatives can promote further multicenter trials on recanalization therapies by providing accurate inclusion/exclusion criteria for appropriate patient selection.
引用
收藏
页码：1212 / 1215
页数：4
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