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Abstract #4168

Improved echo-split GRASE imaging: a single-shot parametric T2 mapping protocol with removal of contamination from multiple echo pathways

Mei-Lan Chu1, Tzu-Cheng Chao2, Nan-kuei Chen3, and Hsiao-Wen Chung1
1Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan, 2Mayo Clinic, Rochester, MN, United States, 3University of Arizona, Tucson, AZ, United States

Our novel single-shot T2 mapping framework, integrating ES-GRASE acquisition and parametric mapping, has the following advantages. First, signal contamination of high-order echoes is removed in the propose framework. Second, T2 relaxation times can be accurately measured by incorporating parallel imaging and multi-echo-pathway signal modeling into the reconstruction procedure.

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