Abstract #0996
Ultra-High Field Optimization of the Double Inversion Recovery (DIR) sequence: Gray Matter Imaging at 7T
Eberhard Daniel Pracht 1 , Daniel Brenner 1 , Alard Roebroeck 2 , and Tony Stcker 1
1
German Center for Neurodegenerative Diseases
(DZNE), Bonn, Germany,
2
Department
of Cognitive Neuroscience, Faculty of Psychology and
Neuroscience, Maastricht University, Netherlands
Gray matter imaging is an important technique for
cortical lesion detection in neurological disorders,
such as epilepsy and Alzheimer's. It is increasingly
performed utilizing the DIR sequence. The aim of this
project was to optimize the DIR Turbo-Spin-Echo (TSE)
sequence for ultra-high field application to benefit
from the overall SNR gain at high field. Therefore
typical high field issues such as B0 /B1 inhomogeneities
and SAR limitations had to be addressed. Furthermore an
efficient fat suppression technique had to be
implemented to enhance image quality significantly.
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