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Abstract #2252

Feasibility evaluation of virtual elastography based on diffusion-weighted imaging (vMRE) at 1.5 Tesla

Alicia Palomar Garcia1, Valentin H. Prevost2, Alba Iruela Sanchez1, Wolter de Graaf3, and Bruno Triaire2
1Canon Medical Systems Spain and Portugal, Barcelona, Spain, 2Canon Medical Systems Corporation, Tochigi, Japan, 3Canon Medical Systems Europe, Zoetermeer, Netherlands


This study evaluated the feasibility of performing virtual elastography based on diffusion-weighted MRI (vMRE) on a 1.5T system with two different acceleration methods, SPEEDER and EXSPER. Proton density fat fraction (PDFF) imaging was also acquired. The vMRE and PDFF measurements were consistent with healthy values that can be found in the literature. This study demonstrated the feasibility of performing vMRE at 1.5T for the estimation of overall liver elasticity. SPEEDER and EXSPER vMRE implementations provided consistent stiffness estimations and both would be adequate for conducting future studies at 1.5T systems on patients.

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