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Abstract #0896

Strategically Acquired Gradient Echo imaging with Compressed Sensing: Comparison of quantitative images with different acceleration factors

bingbing gao1, Yuhan Jiang1, Nan Zhang1, Yanwei Miao1, Qingwei Song1, Ailian Liu1, and Peng Sun2
1the First Affiliated hospital of Dalian Medical university, Dalian, China, 2Philips Healthcare, BeiJing, China

Strategically Acquired Gradient Echo (STAGE) imaging is a novel and useful MR sequence which can provide seven different key modalities at the same time, T1w, PDw, SWI, T1 mapping, PD mapping, T2* mapping, and SWIM. However, the acquisition time is relatively long (about 8 minutes). The compressed sensing (CS) technique is now wildly applied for accelerating MR acquisition. This study aimed to evaluate the feasibility of CS accelerated STAGE technique, and find an optimal acceleration factor (AF). According to our preliminary results, the AF of 4 was recommended.

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