Abstract #0997
Rapid non-contrast enhanced 4D dMRA using Golden Angle Radial Acquisition and KWIC Reconstruction at 7T
Lirong Yan 1 , Xinyuan Miao 2 , Rui Wang 2 , Robert Smith 1 , Songlin Yu 1 , Hee Kwon Song 3 , Yan Zhuo 2 , and Danny JJ Wang 1
1
University of California Los Angeles, Los
Angeles, CA, United States,
2
Institute
of Biophysics, Chinese Academy of Sciences, Beijing,
China,
3
University
of Pennsylvania, Philadelphia, United States
In this study, a fast non-contrast enhanced
time-resolved 4-D dynamic MRA (dMRA) using 3D stack of
stars golden angle acquisition was developed for 7T.
Compared to the standard Cartesian-based non-contrast
dMRA, the golden angle radial-based dMRA provides the
advantages of shorter scan time (less than half of the
scan time) and improved delineation of distal arteries.
Preliminary data on an arterio-venous malformation shows
the potential clinical utility of this radial-based dMRA
technique at 7T.
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