3D Golden Angle Stack-of-Spiral bSSFP Sequence for Undersampled Lactate Imaging in Hyperpolarized MRI
Xiaoxi Liu1, Shuyu Tang2, Di Cui1, Sule Sahin1, Nicholas Dwork1, Zhen J. Wang1, and Peder E.Z. Larson1
1University of California San Francisco, San Francisco, CA, United States, 2HeartVista, Los Altos, CA, United States
In the previous work, 3D balanced steady state free precession (bSSFP) sequence have been used to improve SNR for hyperpolarized 13C lactate imaging. In this study, we proposed a 3D bSSFP stack-of-spiral with golden angle rotation sequence for lactate imaging to furtherly accelerate lactate imaging. At the same time, we designed a regularized reconstruction method for the undersampled data that did not degrade image quality.
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