Abstract #2239
Continuously moving table whole-body diffusion weighted imaging using an adaptive gradient reversal technique
Yeji Han 1 , Chang Heun Oh 1 , and HyunWook Park 1
1
Department of Electrical Engineering, KAIST,
Daejeon, Daejeon, Korea
Although whole-body diffusion-weighted imaging (wbDWI)
is generally performed using the multistation approach,
the continuously moving table (CMT) approach can be used
as an alternative to generate images with more
homogeneous temporal and spatial continuities. While
STIR is an appropriate choice for fat and background
signal suppression in 1.5T MRI systems, a more efficient
fat-suppression technique is required for the CMT-wbDWI
in 3T MRI. In this abstract, an adaptive gradient
reversal technique is proposed for the CMT-wbDWI method,
where the opposite polarities of slice selection
gradients are used for 90 and 180 RF pulses with an RF
pulse adaptation.
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