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Abstract #3935

One-Dimensional Phase Navigation of Diffusion-Weighted 3D TSE for High Resolution Musculoskeletal Diffusion Imaging

Barbara Cervantes1, Anh T Van2, Hendrik Kooijman3, Kim van de Ven4, Andreas Hock3, Ernst J Rummeny1, Jan S Kirschke5, and Dimitrios C Karampinos1

1Department of Diagnostic and Inteventional Radiology, Technical University of Munich, Munich, Germany, 2IMETUM, Technical University of Munich, Garching, Germany, 3Philips Healthcare, Hamburg, Germany, 4Philips Healthcare, Best, Netherlands, 5Department of Neuroradiology, Technical University of Munich, Munich, Germany

Diffusion-prepared 3D TSE (dprep-3D-TSE) imaging has been recently applied for high-resolution distortion-free body and musculoskeletal DWI. Dprep-3D-TSE has been combined with magnitude stabilizers to reduce magnitude modulation effects induced by both motion and eddy current effects. In addition, velocity compensation has been proposed to reduce motion-induced phase modulation effects. However, given that dprep-3D-TSE is a multi-shot diffusion technique, it suffers from motion-induced phase variation effects across different shots and it requires phase navigation. The purpose of the present study is to develop an acquisition and phase correction scheme for one-dimensional phase navigation of dprep-3D-TSE imaging.

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