Abstract #3718
Designing a Hyperbolic Secant Excitation Pulse to Reduce Signal Dropout in 2D Gradient Echo Imaging at 7T
Stephen James Wastling 1 , Mark Symms 2 , Mauro Costagli 3,4 , Laura Biagi 3,4 , Mirco Cosottini 3,5 , Gareth John Barker 1 , and Michela Tosetti 3,4
1
Department of Neuroimaging, King's College
London, London, United Kingdom,
2
GE
Healthcare, Pisa, Italy,
3
Imago7,
Pisa, Italy,
4
IRCCS
Stella Maris, Pisa, Italy,
5
Department
of Translational Research and New Technologies in
Medicine and Surgery, University of Pisa, Pisa, Italy
A method of reducing signal drop-out in Gradient Echo
imaging using a Hyperbolic Secant pulse was developed
and tested at 7T. The coronal images showed reduced
signal drop-out in the brain-stem, inferior temporal
lobe, and the cerebellum, producing images of superior
visual quality in human subjects.
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