Comparison of Water R2 Spectroscopy Measures in the Liver at 1.5T and 3T
Radhouene Neji 1 , Nashiely Sofia Pineda Alonso 1 , Pedro Miguel Itriago Leon 1 , Heinrich von Busch 1 , Stephan Kannengiesser 1 , and Berthold Kiefer 1
Siemens Healthcare, Erlangen, Bayern,
Using the HISTO sequence, which is a five-echo STEAM
single voxel spectroscopy technique, we validate the
linear relationship between liver R2 values at 3T and
1.5T and the value of the regression slope. Fourteen
volunteers underwent a HISTO measurement at 1.5T and at
3T, and the voxel positioning was made consistent across
the measurements. Possible applications for this study
are the extrapolation of iron overload level
classification at 1.5T to 3T based on the R2 values.
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