Abstract #1031

Gadoxetic acid-enhanced MRI: assessment of arterial phase artifacts and hepatobiliary uptake in a large series.

Naik Vietti Violi^1,2, Mathew Cherny³, Pamela Argiriadi⁴, Ally Rosen³, Amanda Weiss³, Gabriela Hernandez-Meza⁵, Maxwell Segall¹, Jonathon Rosenblatt¹, Shingo Kihira³, Sara Lewis³, and Bachir Taouli³

¹Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States, ²Radiology, Lausanne University Hospital, Lausanne, Switzerland, ³Radiology, Icahn School of Medicine at Mount Sinai, new York, NY, United States, ⁴Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States, ⁵Icahn School of Medicine at Mount Sinai, New York, NY, United States

In this study, we retrospectively evaluated the prevalence of artifacts during the arterial phase presumed to be related to transient severe motion during liver MRI with gadoxetic acid as well as the quality of contrast uptake during hepatobiliary phase in a single large center study. While we found a relatively high rate of motion artifacts on a single arterial phase (9.8%), it was rarely present in both arterial phases (2.3%). We also observed poor contrast uptake during hepatobiliary phase in 1.6% of cases. TSM and poor contrast uptake during HBP was found in only 0.7% of patients.

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