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Abstract #4566

Dual Contrast Weighting and Simultaneous T2 and T2* Mapping with Radially Sampled RARE-EPI

Carl Julius Jacob Herrmann1, Katharina Paul1, Till Huelnhagen1, and Thoralf Niendorf1

1Berlin Ultrahigh Field Facility (B.U.F.F.), Max Delbrueck Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany

MRI examinations commonly involve a series of multiple imaging contrasts and MR-metrics. Dual or even more contrast techniques offer substantial scan time reduction and eliminate the propensity to slice co-registration errors induced by bulk and physiological motion. Recognizing this opportunity this work presents a dual contrast RARE-EPI hybrid, that provides T2 (RARE module) and T2* (EPI module) contrast and facilitates simultaneous T2 and T2* mapping in a single radially (under)sampled scan (2-in-1 RARE-EPI). The applicability of 2-in-1 RARE-EPI is demonstrated in phantom and in in vivo studies and benchmarked versus conventional T2 and T2* weighted/mapping techniques.

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