Abstract #2564
3-T high b-value 1000 to 10000 s/mm diffusion weighted MR imaging in healthy volunteers
Julia Reinhardt 1 , Tilman Schubert 1 , Michael Amann 1,2 , and Christoph Stippich 1
1
Division of Diagnostic and Interventional
Neuroradiology, Department of Radiology, University
Hospital Basel, Basel, Basel, Switzerland,
2
Department
of Neurology, University Hospital Basel, Basel,
Switzerland
DWI is increasingly applied in the whole field of
diagnostic imaging. Here we evaluated applicability of
b-values from 1000-10000s/mm2 in a collective of healthy
volunteers regarding SNR and overall image quality using
a 3T-Scanner with a gradient strength of 80mT/m. The SNR
values decrease exponentially. The b-values of grey
matter structures drop more pronounced with increasing
b-values as compared to white matter or mixed brain
tissue, which may be exploited as additional diagnostic
information. In this work we were able to demonstrate
that DWI with b-values up to 10000s/mm2 with still
reasonable SNR can be achieved with high
gradient-strength MR-scanners.
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