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Abstract #4289

High Speed MR Fingerprinting at 6.5 mT

Mathieu Sarracanie 1,2 , Brandon D. Armstrong 1,2 , and Matthew S. Rosen 1,2

1 Department of Radiology, MGH/Athinoula A. Martinos Center for Biomedical Imaging, Charlestown, MA, United States, 2 Department of Physics, Harvard University, Cambridge, MA, United States

We have demonstrated MR Fingerprinting at low magnetic field, which results in simultaneous measurement of 4 quantitative parameters, and thus provides 4 different image contrasts in a single acquisition (proton density, T 1 , T 2 and off-resonance) in less than 15 minutes. This technique is of particular relevance at low magnetic field where SNR and contrast are tied to long acquisition times. The combination of MRF with low field MRI scanners has great potential to revolutionize future transportable MRI systems.

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