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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: NMR Biomed. 2013 Oct 3;26(12):1609–1629. doi: 10.1002/nbm.3025

Figure 8.

Figure 8

Examples of proton-density fat fraction maps from multi-echo water-fat MRI are shown in color on a full scale of 0-100%. An adult male, 43 years of age, (A) before and (B) after a 10-month self-initiated diet and exercise regimen is illustrated. The decrease in liver fat content (dashed arrow) and subcutaneous and visceral adipose tissue (mostly omental) volumes (solid arrows) is evident. The liver fat fraction in (A) was approximately 22%; in (B), it has reduced to approximately 6%. The two data sets were acquired on a 3.0 Tesla Signa HDx system from GE Healthcare. Representative axial images of the left thigh and calf from (C) an 11-year-old male and (D) an 11-year-old female with spina bifida (myelomeningocele), respectively, are shown. In (C), preferential fat accumulation in the biceps femoris muscle (dotted arrow) of the hamstrings is evident. In (D), almost all calf muscles show complete fat infiltration, and only the tibialis anterior muscle exhibits some remaining muscle tissues (dot-dash arrows). Leg data was acquired on a 3.0 Telsa Achieva system from Philips Healthcare.