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Abstract #1021

Silent Navigator-Triggered Silent-MRI in Abdomen

Yuji Iwadate1, Atsushi Nozaki1, Yoshinobu Nunokawa2, Shigeo Okuda3, Masahiro Jinzaki3, and Hiroyuki Kabasawa1

1Global MR Applications and Workflow, GE Healthcare Japan, Hino, Japan, 2Office of Radiation Technology, Keio University Hospital, Tokyo, Japan, 3Department of Radiology, Keio University School of Medicine, Tokyo, Japan

We incorporated a silent navigator (sNav) with the whole volume excitation into zero-TE pulse sequence for respiratory motion corrected silent abdominal imaging. The sNav signals showed an excellent correlation between the bellows signals, and resultant zero-TE images had better contrasts than those acquired without respiratory triggering. The sNav-triggered zero-TE technique is expected to be used in abdominal MRI where acoustic noise is problematic (e.g. pediatric patient imaging with anesthesia).

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