Abstract #0881

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

Tianle Cao^1,2, Nan Wang^1,2, Sen Ma^1,2, Yibin Xie¹, Sara Gharabaghi³, E. Mark Haacke^3,4,5, 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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