Abstract #4120
Fast Three-Dimensional T2-weighted Imaging with Transition Into Driven Equilibrium balanced SSFP at 3T
Subashini Srinivasan 1,2 , Holden H Wu 1,2 , Kyunghyun Sung 1,2 , Daniel JA Margolis 1 , and Daniel B Ennis 1,2
1
Department of Radiological Sciences,
University of California, Los Angeles, California,
United States,
2
Department
of Bioengineering, University of California, Los
Angeles, California, United States
3D T2-weighted imaging is used clinically for high
resolution imaging of small tumors. Current clinical
standards for 3D T2-weighted imaging are limited by long
acquisition durations. We propose a 3D T2-weighted
variable flip angle transition into driven equilibrium
balanced SSFP (3D T2-TIDE) technique for fast
T2-weighted imaging at high field strengths. Images were
acquired using a 3D Cartesian trajectory with
interleaved ky-kz spiral sampling such that the center
of k-space was acquired with increased T2-weighting. 3D
T2-TIDE prostate images from five healthy subjects
reduced the acquisition duration by 59% while improving
the SNR efficiency compared to 3D FSE.
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