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脑脊液的正常磁共振成像表现及与运动相关的现象。

Normal MRI appearance and motion-related phenomena of CSF.

作者信息

Lisanti Christopher, Carlin Carrie, Banks Kevin P, Wang David

机构信息

Department of Radiology, Wilford Hall Medical Center, Lackland AFB, TX, USA.

出版信息

AJR Am J Roentgenol. 2007 Mar;188(3):716-25. doi: 10.2214/AJR.05.0003.

DOI:10.2214/AJR.05.0003
PMID:17312059
Abstract

OBJECTIVE

The purpose of this article is to review the normal appearance of CSF, flow physics in relation to CSF flow dynamics, and commonly encountered appearances and artifacts of CSF due to superimposed flow effects.

CONCLUSION

Normal CSF has inherent MRI properties of low signal intensity on T1-weighted sequences and high signal intensity on T2-weighted sequences. However, the normal CSF signal is frequently altered by superimposed flow phenomena that can confound interpretation.

摘要

目的

本文旨在综述脑脊液的正常表现、与脑脊液流动动力学相关的流动物理学，以及由于叠加流动效应导致的脑脊液常见表现和伪影。

结论

正常脑脊液在T1加权序列上具有低信号强度、在T2加权序列上具有高信号强度的固有MRI特性。然而，正常脑脊液信号经常因叠加的流动现象而改变，这可能会混淆解读。

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