Magnetization-Prepared Shells with Integrated RadiaL and Spirals

Yunhong Shu¹, Matt A. Bernstein¹

In this work, we demonstrate the initial feasibility of combining the SWIRLS trajectory with the MP-RAGE acquisition for volumetric T1-weighted brain imaging. The SWIRLS trajectory uses one continuous interleave to cover the surface of a spherical shell from pole-to-pole, which offer more flexibility for magnetization prepared (MP) design than the traditional shells trajectory. Meanwhile, it also shares the advantages of shells trajectory, including optimizing the contrast between WM and GM with reduced scan time.