Credit: American Roentgen Ray Society (ARRS), American Journal of Roentgenology (AJR)
Left: UDFF—operator places crossbar at liver capsule, with sample ROI fixed 1.5 cm deep from crossbar, to ensure measurement obtained sufficiently deep to liver capsule. Overall UDFF was 3%. Right: Median MRI PDFF from three acquisitions was 3%, demonstrating agreement.