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Abstract #4582

Simultaneous T2* and T2 weighted imaging based on ultrafast SPEN MRI

Qingjia Bao1 and Lucio Fydman2

1Weizmann Institute of Science, Rehovot, Israel, 2Weizmann Institute of Science, Rehovot, AB, Israel

This work presents new sequences to acquire multislice images with different contrasts –a T2* weighted one for enhancing BOLD and a T2 weighted one for faithful location– in a single shot. The sequences rely on SPatiotemporal ENcoding (SPEN), an ultrafast MRI method with immunity to artifacts, and they utilize a “full-refocusing” mode to obtain a T2 weighted image and a “non full-refocusing” mode to obtain T2* weighted images. Two variants are proposed, differing in the order with which they collect their T2*- and the T2-weighted information, and are demonstrated with in vivo studies of brain and kidney in mice.

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