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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