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Methods of fetal MR: beyond T2-weighted imaging

被引：79
作者：
Brugger, PC
Stuhr, F
Lindner, C
Prayer, D
机构：
[1] Med Univ Vienna, Ctr Anat & Cell Biol, Integrat Morphol Grp, A-1090 Vienna, Austria
[2] Med Univ Vienna, Dept Radiol, A-1090 Vienna, Austria
来源：
EUROPEAN JOURNAL OF RADIOLOGY | 2006年 / 57卷 / 02期
关键词：
fetal MRI; T1-weighted imaging; diffusion weighted imaging; echoplanar imaging; steady-state free-precession sequences;
D O I：
10.1016/j.ejrad.2005.11.017
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：
The present work reviews the basic methods of performing fetal magnetic resonance imaging (MRI). Since fetal MRI differs in many respects from a postnatal study, several factors have to be taken into account to achieve satisfying image quality. Image quality depends on adequate positioning of the pregnant woman in the magnet, use of appropriate coils and the selection of sequences. Ultrafast T2-weighted sequences are regarded as the mainstay of fetal MR-imaging. However, additional sequences, such as T1-weighted images, diffusion-weighted images, echoplanar imaging may provide further information, especially in extra-central-nervous system regions of the fetal body. (C) 2005 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码：172 / 181
页数：10
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