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 Hernando^1,2, and Scott B. Reeder^1,2,3,4,5

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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