Abstract #4230
Optimized refocusing-flip-angle-train design for small peripheral nerve imaging with 3D TSE
Barbara Cervantes 1 , Jan S. Bauer 2 , Hendrik Kooijman 3 , Marcus Settles 1 , Axel Haase 4 , Ernst J. Rummeny 1 , Klaus Wrtler 1 , and Dimitrios C. Karampinos 1
1
Diagnostic and Interventional Radiology,
Technische Universitt Mnchen, Munich, Germany,
2
Neuroradiology,
Technische Universitt Mnchen, Munich, Germany,
3
Philips
Healthcare, Hamburg, Germany,
4
Zentralinstitut
fr Medizintechnik, Technische Universitt Mnchen,
Garching, Germany
3D TSE imaging has been emerging for high-resolution MR
neurography. 3D TSE refocusing-flip-angle-train design
traditionally considers only the signal of a target
tissue. Peripheral-nerve branches can have diameters
down to a couple of millimeters and can therefore be
affected not only by their own signal behavior but also
by that of the surrounding tissue. The present work
proposes flip-angle schemes that consider the interface
between fine nerve structures and the enveloping tissue.
The optimized flip-angle design is compared to cases
considering only the signal behavior of nerve (standard
approach) and is demonstrated
in
vivo
in
the lumbar plexus.
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