Abstract #2916
Sensitivity Encoding for Fast MR Spectroscopic Imaging Water Reference Acquisition
Rebecca Birch 1,2 , Andrew C. Peet 2,3 , Theodoros N. Arvanitis 2,4 , and Martin Wilson 2,3
1
PSIBS Doctoral Training Centre, University
of Birmingham, Birmingham, United Kingdom,
2
Department
of Oncology, Birmingham Childrens Hospital NHS
Foundation Trust, Birmingham, United Kingdom,
3
School
of Cancer Sciences, University of Birmingham, United
Kingdom,
4
Institute
of Digital Healthcare, WMG, University of Warwick,
Coventry, United Kingdom
Water reference scans for Magnetic Resonance
Spectroscopic imaging (MRSI) provide absolute
quantification of metabolites; long acquisition times
mean it is not used routinely in clinic. Sensitivity
encoding (SENSE) is a parallel imaging technique which
can reduce scan time. SENSE and its reconstruction of
water reference data is compared with a default reduced
resolution technique. 2D MRSI water reference data were
collected for a phantom and three volunteers at 3T.
Water amplitude and line width maps were created and
variance with the full acquisition assessed. SENSE was
found to be more successful, validating its use for
routine water reference data collection.
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