Abstract #3553

Evaluation of T1 Parametric Mapping using Inversion Recovery Fast Spoiled Gradient Echo: Application for Pre- and Post-Contrast Liver MRI

Puneet Sharma¹, Xiaodong Zhong^1,2, Marcel Dominik Nickel³, Hiroumi Kitajima¹, and Pardeep Mittal¹

¹Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA, United States, ²MR R&D Collaborations, Siemens Healthcare, Atlanta, GA, United States, ³MR Application Predevelopment, Siemens Healthcare, Erlangen, Germany

This investigation evaluates the performance and accuracy of a fast inversion recovery Look-Locker method for in vivo liver T1 mapping. Several parameters were assessed using T1 phantoms to describe accuracy trends and prevalence for artifacts. The method was also applied in vivo to demonstrate feasibility of fast T1 mapping of liver parenchyma and blood pool. The results offer insight into optimal imaging parameters, and showed good agreement with known T1 values at 1.5T.

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