利用磁敏感加权成像对脑淀粉样血管病进行成像。
Imaging cerebral amyloid angiopathy with susceptibility-weighted imaging.
作者信息
Haacke E M, DelProposto Z S, Chaturvedi S, Sehgal V, Tenzer M, Neelavalli J, Kido D
机构信息
Institute for Biomedical Research, Detroit, Mich, USA.
出版信息
AJNR Am J Neuroradiol. 2007 Feb;28(2):316-7.
Abstract
Gradient-echo (GE) imaging is recognized as a means to detect hemorrhagic changes in cerebral amyloid angiopathy (CAA). However, almost 25% of patients with CAA do not show microhemorrhages on T2* GE imaging. We applied a new imaging method, susceptibility weighted imaging (SWI), to evaluate the presence of microhemorrhages. In a suspected case of CAA, where cognitive effects are also present, we show that SWI is much more sensitive in detecting microhemorrhages than conventional methods.
摘要
梯度回波（GE）成像被认为是检测脑淀粉样血管病（CAA）出血性改变的一种方法。然而，几乎25%的CAA患者在T2* GE成像上未显示微出血。我们应用了一种新的成像方法，即磁敏感加权成像（SWI）来评估微出血的存在。在一例疑似CAA且伴有认知功能影响的病例中，我们发现SWI在检测微出血方面比传统方法敏感得多。
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