Evaluation of multiple sclerosis disease activity by diffusion-weighted MR imaging - Preliminary comparison with contrast-enhanced MR imaging

被引：0
作者：
Tsuchiya, K [1 ]
Yoshino, A [1 ]
Katase, S [1 ]
Hachiya, J [1 ]
机构：
[1] Kyorin Univ, Sch Med, Dept Radiol, Mitaka, Tokyo 1818611, Japan
来源：
RIVISTA DI NEURORADIOLOGIA | 1998年 / 11卷
关键词：
multiple sclerosis; diffusion-weighted MR; contrast-enhanced MR;
D O I：
10.1177/19714009980110S202
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
The purpose of this study was to assess the utility of cerebral diffusion-weighted MR imaging in the diagnosis of multiple sclerosis (MS) in comparison with contrast-enhanced TI-weighted imaging. We reviewed T2-weighted spin-echo (SE), fluid-attenuated inversion-recovery (FLAIR), contrast-enhanced T1-weighted SE and echo-planar diffusion-weighted images (DWIs) obtained in ten patients with definite MS on 12 occasions. In total, 83 plaques were demonstrated on T2-weighted SE and/or FLAIR images. Thirteen of these plaques showed enhancement on contrast-enhanced TI-weighted images and hyperintensity on DWIs. Five non-enhancing plaques showed hyperintensity on DWIs. Diffusion-weighted imaging, which provides information based on pathophysiology different from contrast-enhanced imaging is a potential supplementary technique Sor characterizing MS plaques.
引用
收藏
页码：5 / 7
页数：3
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