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Abstract #0881

Simultaneous quantitative mapping of T1, R2* and susceptibility with magnetic resonance multitasking

Tianle Cao1,2, Nan Wang1,2, Sen Ma1,2, Yibin Xie1, Sara Gharabaghi3, E. Mark Haacke3,4,5, Anthony G. Christodoulou1, and Debiao Li1
1Biomedical Imaging Research Institute, Cedars Sinai Medical Center, Los Angeles, CA, United States, 2Bioengineering Department, University of California, Los Angeles, Los Angeles, CA, United States, 3Magnetic Resonance Innovations, Inc, Bingham Farms, MI, United States, 4Wayne State University School of Medicine, Detroit, MI, United States, 5The MRI Institute for Biomedical Research, Bingham Farms, MI, United States

A new approach for simultaneous quantitative mapping of T1, R2* and susceptibility was presented in this work. This technique employed IR pulses followed by N=152 segments of multi-echo FLASH readout. We were able to reconstruct the images for each echo time and inversion time under the multitasking framework for furhther analysis. Results of both visual comparison and statistical analysis showed that our proposed method agreed well with the reference but were more time efficient and robust to interscan motion.

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