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Abstract #3712

Direct Relaxation Measurement from Clinical Sequences

Kelly C McPhee1 and Alan H Wilman2

1Physics, University of Alberta, Edmonton, AB, Canada, 2Biomedical Engineering, University of Alberta, Edmonton, AB, Canada

Through exact sequence response modeling using the Bloch equations, we propose direct extraction of quantitative T1 and T2 relaxation maps from standard clinical MRI sequences. This approach eliminates the need for excess specialized and complex sequences by measuring relaxation directly from clinical sequences. We demonstrate this method to determine T2 and T1 using a standard brain protocol of fast spin echo images weighted by proton-density, T2 and FLAIR at 3 T. Our approach opens the door to wider use of quantitative MRI.

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