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Abstract #0101

Orthogonally combined motion- and diffusion-sensitized driven equilibrium (OC-MDSDE) preparation for improved vessel signal suppression in 3D TSE imaging of peripheral nerves

Barbara Cervantes 1 , Jinnan Wang 2 , Jan S. Bauer 3 , Hendrik Kooijman 4 , Peter Brnert 5 , Axel Haase 6 , Ernst J. Rummeny 1 , Klaus Wrtler 1 , and Dimitrios C. Karampinos 1

1 Diagnostic and Interventional Radiology, Technische Universitt Mnchen, Munich, Germany, 2 Philips Research North America, Seattle, WA, United States, 3 Neuroradiology, Technische Universitt Mnchen, Munich, Germany, 4 Philips Healthcare, Hamburg, Germany, 5 Philips Research Laboratory, Hamburg, Germany, 6 Zentralinstitut fr Medizintechnik, Technische Universitt Mnchen, Garching, Germany

A general problem in peripheral nerve imaging is the presence of vessels in close proximity to the nerves. Motion-sensitized driven equilibrium (MSDE) preparation and low b-value diffusion weighting have been previously proposed to suppress vessel signal when imaging peripheral nerves. However, blood signal suppression can be challenging in slowly flowing vessels. The present work aims to maximize the efficiency of vessel signal suppression by proposing an orthogonally combined motion- and diffusion- sensitized driven equilibrium (OC-MDSDE) preparation. OC-MDSDE is combined with a 3D TSE readout and preliminary results are shown in imaging the nerves of the lower leg.

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