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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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