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Abstract #1521

Inter-observer Agreement of Liver Biopsy and Liver MR Elastography

Jun Chen 1 , Meng Yin 1 , Jayant Talwalkar 1 , Kevin Glaser 1 , Thomas Smyrk 1 , and Richard Ehman 1

1 Mayo Clinic, Rochester, MN, United States

Although invasive, liver biopsy has been regarded as the reference method for liver fibrosis diagnosis. Liver MR Elastography is a noninvasive method for liver fibrosis diagnosis. In this study, we compared the inter-observer agreement of two biopsy interpretations with that of two liver MRE interpretations. We found that liver MRE had greater inter-observer agreement than liver biopsy, MRE_ICC = 9544, Biopsy_ICC = 0.8858.

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