Abstract #1733

Comparison of Spin-echo Echo-planar imaging (SE-EPI) MR elastography (MRE) and Gradient-recalled echo (GRE) MRE at 3.0T in pediatric nonalcoholic fatty liver disease (NAFLD)

Skorn Ponrartana¹, Michael Chiang¹, Quin Lu², Hui Wang², Tania Mitsinikos³, and Rohit Kohli³

¹Radiology, Children's Hospital Los Angeles, Los Angeles, CA, United States, ²Philips Healthcare North America, Gainesville, FL, United States, ³Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA, United States

Currently, most MRE performed clinically at 3.0T uses a GRE sequence. However, recent literature describes susceptibility effects from fat that may confound MRE performance, especially at 3.0T. SE-EPI is a faster technique that is less sensitive to susceptibility artifacts and signal loss and has recently been developed at 3.0T. In this work, we compare measures of liver stiffness between SE-EPI and GRE MRE techniques in pediatric patients with NAFLD at 3.0T.

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