UTE imaging in the musculoskeletal system.
UTE imaging in the musculoskeletal system.
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DOI：
10.1002/jmri.24713
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发表时间：
2015-04
影响因子：
4.4
通讯作者：
Chung, Christine B.
中科院分区：
文献类型：
--
作者：
Chang, Eric Y.;Du, Jiang;Chung, Christine B.
组织，如骨、肌腱和韧带，含有高比例的具有“短”和“超短”横向弛豫时间的组分，因此具有短的平均横向弛豫时间。利用采用相对长回波时间（TE）的常规MRI序列，在短和超短T2/T2* 组织的衰减信号达到零或接近零之前，没有机会对该衰减信号进行编码。临床兼容的超短TE（UTE）序列已越来越多地用于研究肌肉骨骼系统。本文将回顾UTE序列以及自其引入以来所实现的各种修改。这些修改已被用来提高效率或对比度，以及提供定量分析。本文还回顾了几个临床肌肉骨骼应用的UTE。
Tissues, such as bone, tendon, and ligaments, contain a high fraction of components with “short” and “ultrashort” transverse relaxation times and therefore have short mean transverse relaxation times. With conventional MRI sequences that employ relatively long echo times (TEs), there is no opportunity to encode the decaying signal of short and ultrashort T2/T2* tissues before it has reached zero or near zero. The clinically compatible ultrashort TE (UTE) sequence has been increasingly used to study the musculoskeletal system. This article will review the UTE sequence as well as various modifications that have been implemented since its introduction. These modifications have been used to improve efficiency or contrast as well as provide quantitative analysis. This article also reviews several clinical musculoskeletal applications of UTE.
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影响因子：
3.3
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通讯作者：
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