Abstract #0948
3D-FSE Inner Volume Imaging using 3D selective excitation
Shaihan J Malik 1 and Joseph V Hajnal 1,2
1
Division of Imaging Sciences and Biomedical
Engineering, Kings College London, London, London,
United Kingdom,
2
Centre
for the Developing Brain, Kings College London, London,
London, United Kingdom
The 3D Fast Spin Echo sequence offers a very good
candidate for inner volume imaging (IVI) since
magnetization that is not transverse after the
excitation pulse does not contribute any signal
thereafter. In this work 3D localized excitations have
been realised in-vivo using parallel transmission to
achieve reasonable pulse durations (~12ms) with on-line
subject specific optimization. The pulses were coupled
with an otherwise standard T2 weighted 3D-FSE protocol
in the human brain, employing non-selective variable
flip angle refocusing pulses. High resolution IVI
achieved comparable image quality to the standard
sequence with large reductions in imaging time.
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