Abstract #3680

HCC screening with abbreviated MRI: retrospective comparison of noncontrast, dynamic-contrast enhanced and hepatobiliary phase protocols post gadoxetic acid

Naik Vietti Violi¹, Miriam Hulkower², Joseph Liao², Gabriela Hernandez-Meza³, Katherine Smith⁴, Xing Ching², Joseph Song², Eitan Novogrodsky⁵, Daniela Said¹, Shingo Kihira², Mark Berger², Maxwell Segall¹, Keith Sigel⁶, Mary Sun³, Dillan Villavisanis³, Claude B Sirlin⁷, Sara Lewis^1,2, and Bachir Taouli^1,2

¹Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States, ²Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States, ³Icahn School of Medicine at Mount Sinai, New York, NY, United States, ⁴Columbia University, New York, NY, United States, ⁵Radiology, Albert Einstein College of Medicine, New York, NY, United States, ⁶Infectious diseases, Icahn School of Medicine at Mount Sinai, New York, NY, United States, ⁷Radiology, UC San Diego Medical Center, San Diego, CA, United States

In this study, we compare the performance of different abbreviated MRI (AMRI) protocols using 3 different sets: noncontrast, dynamic T1WI, and hepatobiliary phase (HBP) post gadoxetic acid for hepatocellular carcinoma (HCC) screening in 238 patients at risk. Our results showed that performance of noncontrast AMRI was low, while AMRI using dynamic T1WI and AMRI including HBP showed equivalent sensitivity for HCC detection with slightly better specificity for dynamic T1W. These results need verification in a larger study.

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