Meeting Banner
Abstract #2429

Field-Corrected MP-SWIRLS for 3D Isotropic High-Resolution T1-Weighted Brain Imaging

Yunhong Shu1, Joshua D. Trzasko, Armando Manduca, Matt Bernstein

1Radiology, Mayo Clinic, Rochester, MN, United States

We demonstrate that off-resonance correction (ORC) can help mitigate image blurring that arises from the long readout of the MP-SWIRLS technique. An in vivo experiment suggests that MP-SWIRLS with ORC can provide robust and efficient 3D isotropic high-resolution T1-weighted brain imaging.

Keywords

achieve acquisition adiabatic adjoint allows anatomy applied applying approved arises artifacts auditory axial bandwidth basis blurring brain canals caused central channel clear clinic coil combined completed concentric conjugate continuous contrast core corrected correction delay delineation dental described design designated disabled discovery dual echoes equipped estimation exaggerate excellent expected exploring fast feasibility field form generalization gradient gray head healthy helical help helpful implemented improvement include included includes inhomogeneity intentionally interleave interleaves investigate isotropic iterative largely larger listed long magnetization many matrix mayo minutes mitigate near needed noticeable outer oversampled performance played pole preparation progresses protocol quality radiology radius rapidly readout receive reconstruction reconstructions recovery reduce reformatted regularized relatively remove removed repetition residual resolution resolutions returns running satisfy scanner segment segmented segments series served shell shells software space spherical spiral squares stage stages starts strategy subject substantial suppression susceptible swirls synchronize takes trajectories trajectory transform uniform uniformly user variation volumetric volunteer wait windows