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Abstract #2256

Baseline System Variability of Test-Retest and Cross-Platform Liver MR Elastography

Kevin Glaser1, Roger Grimm1, Brad Jr. Bolster2, Richard Ehman1, and Jun Chen1

1200 1st St Sw, Mayo Clinic, Rochester, MN, United States, 2Siemens Healthineers, Salt Lake City, UT, United States

Liver MR Elastography (MRE) has become an important noninvasive liver fibrosis imaging modality. It is essential to know the system variability of the stiffness measurements as only liver stiffness changes greater than the system variability are meaningful and reflect the true liver changes with 95% confidence. Our study was to perform a single-institution, single-reader study of fasting, normal subjects to assess the baseline (minimum possibly) MRE system variability within and between days, within and between platforms.

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