Abstract #3879
Double Background Suppression in Quiescent Inflow Single-Shot Imaging at 3T
Xiangzhi Zhou 1 , Cheng Ouyang 1 , Aiming Lu 1 , and Mitsue Miyazaki 1
1
Toshiba Medical Research Institute, Vernon
Hills, IL, United States
Background suppression (BGS) in QISS is performed by an
imaging slice saturation pulse. We hypothesize that the
extended tracking saturation pulse together with the
imaging saturation pulse may offer improved background
suppression. We tested three BGS methods at calf station
at 3T: A) using the imaging slice saturation for single
background suppression; B) extended tracking saturation
slice to cover the imaging slab for double background
suppression; C) extended tracking saturation slab for
background suppression without imaging slice saturation
pulse. We found that double BGS can greatly reduce the
background signal and offers the highest CNR for
arterial blood signal.
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