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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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