Abstract #1540

In vivo repeatability of Tailored MR Fingerprinting

pavan Poojar^1,2, Enlin Qian¹, and Sairam Geethanath ^1,2

¹Columbia Magnetic Resonance Research Center, Columbia University, New York, NY, United States, ²Dayananda Sagar College of Engineering, Bangalore, India

MR fingerprinting(MRF) has an advantage over quantitative MRI as it allows simultaneous acquisition of multi-parametric maps but does not generate multi-contrast images required for routine clinical studies. Tailored MRF(TMRF) allows simultaneous acquisition of two quantitative maps and six qualitative contrasts. A TMRF repeatability study was conducted for four days on one in vivo healthy human brain. Signal-to-noise ratio (SNR) and mean intensity values for grey matter(GM) and white matter(WM) were computed. Standard deviation of SNR for WM and GM were in the range of 0.1 to 0.75 and 0.2 to 1.1 respectively. This narrow range shows the repeatability of TMRF

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