A phantom for diffusion-weighted imaging of acute stroke

被引：58
|
作者：
Laubach, HJ [1 ]
Jakob, PM [1 ]
Loevblad, KO [1 ]
Baird, AE [1 ]
Bovo, MP [1 ]
Edelman, RR [1 ]
Warach, S [1 ]
机构：
[1] Beth Israel Deaconess Med Ctr, Dept Neurol, Boston, MA 02215 USA
来源：
JOURNAL OF MAGNETIC RESONANCE IMAGING | 1998年 / 8卷 / 06期
关键词：
diffusion magnetic resonance imaging; stroke; phantom volumetry;
D O I：
10.1002/jmri.1880080627
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
A tissue phantom for diffusion-weighted imaging was developed, basing its contrast between two compartments on different apparent diffusion coefficients, without contrast due to T2 relaxation and proton density. These contrast properties of the phantom simulate the situation found in normal gray matter and areas of acute ischemia, A possible application of the phantom was demonstrated for the investigation of the accuracy of volume measurements based on diffusion-weighted images.
引用
收藏
页码：1349 / 1354
页数：6
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