Abstract #0094
Parallel Imaging using a Concentric Rings Trajectory and Application to Hyperpolarized 13 C MR Spectroscopic Imaging
Wenwen Jiang 1 , Michael Lustig 2 , and Peder E.Z. Larson 3
1
Bioengineering, UC Berkeley/UCSF, Berkeley,
CA - California, United States,
2
EECS,
UC Berkeley, Berkeley, California, United States,
3
Radiology
and Biomedical Imaging, UCSF, San Francisco, CA -
California, United States
The short-lived effect of hyperpolarization of
13
C
poses severe challenges to develop rapid and robust
imaging techniques. The concentric rings trajectory is
such a technique for hyperpolarized
13
C
spectroscopic imaging that it is favorable for parallel
imaging for additional acceleration. Preclinical studies
have been performed to evaluate the feasibility of using
concentric rings hyperpolarized
13
C
MRSI parallel imaging. Simulation of g-factor maps
demonstrates its advantages of the lower noise
amplification compared to Cartesian counterpart.
Concentric rings trajectory shows great potential to be
applied with parallel imaging.
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