Simultaneous dynamic R<sub>2sub> R2', and R2* measurement using periodic π pulse shifting multiecho asymmetric spin echo sequence moving estimation strategy: A feasibility study for lower extremity muscle

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• 作者：Chengyan Wang ; Rui Zhang ; Xiaodong Zhang ; He Wang ; Kai Zhao ; Lixin Jin ; Jue Zhang ; Xiaoying Wang and Jing Fang
• 刊名：Magnetic Resonance in Medicine
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：77
• 期：2
• 页码：766-773
• 全文大小：572K
• ISSN：1522-2594

文摘

The purpose of this study was to demonstrate the feasibility of simultaneous dynamic R<sub>2sub>, <span data-equation-construct="true" class="math-equation-construct"><span data-equation-image="true" class="math-equation-image">span><span data-equation-mathml="true" class="math-equation-mathml" style="display:none">s:mml="http://www.w3.org/1998/Math/MathML">s:w="http://www.wiley.com/namespaces/wiley" xmlns:wiley="http://www.wiley.com/namespaces/wiley/wiley" xmlns:cr="urn://wiley-online-library/content/render" xmlns="http://www.w3.org/1998/Math/MathML">subsup>R2'subsup>span>span>, and <span data-equation-construct="true" class="math-equation-construct"><span data-equation-image="true" class="math-equation-image">span><span data-equation-mathml="true" class="math-equation-mathml" style="display:none">s:mml="http://www.w3.org/1998/Math/MathML">s:w="http://www.wiley.com/namespaces/wiley" xmlns:wiley="http://www.wiley.com/namespaces/wiley/wiley" xmlns:cr="urn://wiley-online-library/content/render" xmlns="http://www.w3.org/1998/Math/MathML">subsup>R2*subsup>span>span> measurement of lower extremity muscle by means of a new method in which the periodic π pulse shifting multiecho asymmetric spin echo (psMASE) sequence is adopted together with a moving estimation (ME) strategy.