Fluid-Attenuated Three-Dimensional Structural Brain MRI Using Inversion-Recovery-Prepared DANTE-FLASH (IR-DASH)
Linqing Li 1 , Moises Hernandez 1 , and Peter Jezzard 1
Nuffield Department of Clinical
Neurosciences, University of Oxford, Oxford, United
DANTE pulse trains can be used to suppress moving blood
signal with minimal impact to the static tissue signal.
We introduce an inversion recovery prepared 3D
DANTE-FLASH (denoted as IR-DASH) that is able to
generate 1 mm isotropic resolution full brain images
with attenuated fluids (arterial blood and CSF) signal
and comparable CNR(WM/GM) to conventional MP-RAGE
images. The preliminary results showed that segmentation
of grey matter could be significantly improved due to
the blood suppression of DANTE pulse trains compared
with conventional MP-RAGE brain structure images.
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