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Abstract #3231

Multiparameter mapping of T2, R2*, fat fraction using a combination of chemical shift imaging and phase-based T2 mapping

Daiki Tamada1, Xiaoke Wang1, Diego Hernando1,2, and Scott B. Reeder1,2,3,4,5
1Radiology, University of Wisconsin-Madison, Madison, WI, United States, 2Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, 3Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States, 4Medicine, University of Wisconsin-Madison, Madison, WI, United States, 5Emergency Medicine, University of Wisconsin-Madison, Madison, WI, United States

A new multi-parameter method for quantitative mapping of T2, R2*, and fat fraction using CSE-MRI combined with phase-based T2 mapping was developed. This method can be performed using the RF phase-modulated gradient echo sequences that encode T2 information into the phase of the steady-state signal. A phantom study demonstrating the ability of this approach to obtain 3D high-resolution quantitative maps in reasonable acquisition time.

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