Abstract #0334

Optimized Inversion-Time Schedules For High-Resolution Multi-Inversion EPI Quantitative Measurements of T1

Ouri Cohen^1,2, Ville Renvall³, and Jonathan Polimeni^1,2

¹Athinoula A. Martinos Center, Charlestown, MA, United States, ²Radiology, Massachusetts General Hospital, Boston, MA, United States, ³Department of Neuroscience and Biomedical Engineering, Aalto University School of Science, Espoo, Finland

A novel optimized method for high-resolution quantitative EPI measurements of T₁is introduced and validated on a 3T clinical scanner in a phantom and a healthy volunteer. The method offers a 5-fold acceleration in scan time over previous techniques allowing fully quantitative 1.2 mm³ isotropic T1 maps in less than 30 seconds.

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