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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Magn Reson Imaging. 2010 Apr 21;28(6):767–776. doi: 10.1016/j.mri.2010.03.017

Figure 1.

Figure 1

Representative gradient echo images of the liver at 3.0T using TR 200 ms and flip angle 10°. (A) shows pre-SPIO at TE 1.15 and 2.3 ms and (B) shows 1 hour post-SPIO at the same TEs. Annotations give the mean signal intensity inside an ROI and the window/level settings are identical. The calculated dual echo FFs are 11.9% and 9.0% for the pre- and post-SPIO images. The corresponding R2*s are 0.047 and 0.149 ms−1 and FFs are 16.9 and 17.8% (monoexponential). The gold-standard spectroscopy FF (pre-SPIO) is 17.2%.