B1 insensitive zoomed FOV imaging
Zhigang Wu 1 , Jing Zhang 1 , Wenxin Fang 1 , and Feng Huang 1
Philips Healthcare (Suzhou), Suzhou, China
The goal of this work is to provide a new tilted
algorithm for zoomed FOV DWI with improved image
uniformity, and validate it on 1.5T system. It uses a
different titled excitation k-space trajectory, which is
also blipped at slice direction, but just tilts the PE
direction gradients. It does not increase the k-space
step at PE direction, so it has no influence on the
sub-pulse bandwidth. It moderates the requirements for
hardware components compared with rFOV. We called it
iZoom (Improved Zoom FOV imaging).
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