期刊
JOURNAL OF MAGNETIC RESONANCE IMAGING
卷 41, 期 4, 页码 870-883出版社
WILEY
DOI: 10.1002/jmri.24713
关键词
ultrashort TE; musculoskeletal tissues; quantitative MRI; bicomponent analysis
资金
- VA Clinical Science Research and Development Service [1IK2CX000749, I01CX000625]
- National Institutes of Health (NIH) [R01DE022068, R21 AR063894]
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 magnetic resonance imaging (MRI) sequences that employ relatively long echo times (TEs), there is no opportunity to encode the decaying signal of short and ultrashort T-2/T-2* 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 reviews 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 reviews several clinical musculoskeletal applications of UTE. J. Magn. Reson. Imaging 2015;41:870-883. (c) 2014 Wiley Periodicals, Inc.
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