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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: J Magn Reson Imaging. 2011 Sep 16;34(4):729–749. doi: 10.1002/jmri.22580

Figure 13.

Figure 13

Serial liver MRI exams can be used to demonstrate changes in liver fat during therapy. Serial PDFF maps obtained with complex-based MRI were acquired in a 41 year-old man with hypertriglyceridemia and insulin resistance undergoing plasmapheresis and multi-drug therapy to lower serum triglycerides. Follow-up MRI demonstrates reduction in hepatic PDFF (from 53% to 33%). Notice the corresponding reduction in liver size. This example demonstrates that fat-fractions greater than 50% may occur, and it also illustrates the use of gray-scale and color-scale PDFF maps.