Abstract #4924
Quantitative comparison of localized in vivo hepatic 31 P MRS at 7T.
Marek Chmelik 1 , Michal Povazan 1 , Martin Krk 1,2 , Stephan Gruber 1 , Ladislav Valkovic 1 , Siegfried Trattnig 1 , and Wolfgang Bogner 1
1
High Field MR Centre, Department of
Biomedical Imaging and Image-Guided Therapy, Medical
University of Vienna, Vienna, Austria, Austria,
2
Division
of Endocrinology and Metabolism, Department of Internal
Medicine III, Medical University of Vienna, Austria
The feasibility of commonly used
31
P-MRS
localization techniques (1D-ISIS, 3D-ISIS, 2D CSI and 3D
CSI; n=9) that are suitable for both localized MRS of
focal lesions and semi-localized MRS for use in diffuse
pathologies in the human liver was demonstrated at 7T.
Liver
31
P
MRS at 7T provides improved data quality in acceptable
measurement time. All methods provided data with high
spectral quality regarding signal to noise, small
linewidth and low CRLB(<11%). Voxel volume and
acquisition time corrected SNR was similar for all the
methods.
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