Projection Distribution of 3D UTE Sequences for Sodium MRI with Anisotropic Resolution and Uniform Sampling
Simon Konstandin 1 , Philipp Krmer 1 , and Lothar R. Schad 1
Computer Assisted Clinical Medicine,
Heidelberg University, Mannheim, Germany
SNR-efficient sequences with short echo times are
required for imaging of spin>1/2 nuclei. Established
ultra-short echo (UTE) time sequences are 3D radial
techniques with density adaption and twisted projection
imaging. However, so far no UTE sampling strategy exists
for anisotropic resolution with uniform k-space sampling
for highest SNR efficiency. In this study, projections
are distributed on rings so that uniform sampling and
optimal SNR efficiency is achieved for UTE imaging with
anisotropic resolution if no postfiltering is required.
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