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Abstract #4227

A fast scanning technique of MR micro-neurography using the 3-Point-Dixon method at 3T

Paolo F Felisaz 1 , Eric Y Chang 2 , Irene Carne 3 , Polesel Marco 1 , Stefano Montagna 4 , Maugeri Giulia 1 , Baldi Maurizia 4 , Fabrizio Calliada 1 , and Stefano Bastianello 5

1 Radiology Department, University of Pavia, Pavia, Italy, 2 Radiology Service, VA San Diego Healthcare System, San Diego, CA, United States, 3 Medical Physics Department, IRCCS Salvatore Maugeri Foundation, Scientific Institute of Pavia, Italy, 4 Radiology Department, IRCCS Salvatore Maugeri Foundation, Scientific Institute of Pavia, Italy, 5 Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy

The aim of this study is to present a fast and high-resolution MRI scanning technique focused on the study of peripheral nerves. We used a 3T MRI scanner with a readily available coil, optimized for clinical peripheral nerve evaluation. Sequences were based on 3D spoiled gradient echo combined with the 3-point-Dixon technique. This protocol provides a combination of high spatial resolution and adequate SNR with robust and consistent fluid-fat separation in a single acquisition, thereby microscopic nerve components can be visualized. MR micro-neurography may complement standard MR neurography protocols, for focused evaluation of a selected nerve tract.

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