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Abstract #2834

Phase-cycling diffusion-sensitized driven-equilibrium (pcDSDE) for MR neurography of the crus

HAJIME YOKOTA1, TAKAYUKI SAKAI2, MASAMI YONEYAMA3, AKIYO TAKADA4, and TAKASHI UNO1
1Diagnostic Radiology and Radiation Oncology, Graduate School of Medicine, Chiba University, Chiba, Japan, 2Radiology, Eastern Chiba Medical Center, Togane, Japan, 3Philips Japan, Tokyo, Japan, 4Radiology, Chiba University Hospital, Chiba, Japan

MR neurography for the crus is challenging because signals of the vessels and subcutaneous edema interrupt visualization of the nerve, and the water content of the nerve is small. Phase-cycling diffusion-sensitized driven-equilibrium (pcDSDE) can reduce signals of the neighboring structures including the vesssels, and visualize the nerves with diffusion contrast. pcDSDE was better than 3D-NerveVIEW for visualizing the tibial and sural nerves in the crus. The contrast ratio between the tibial nerve and neighboring muscle was significantly higher on pcDSDE than on 3D-NerveVIEW in both the proximal and distal crura.

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