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Abstract #3445

Contrast-Enhanced T1-weighted Fat-Suppressed Imaging of the Head and Neck using a Dual-Echo Dixon technique

Yoshimitsu Ohgiya 1 , Syouei Sai 1 , Seino Noritaka 1 , Jiro Munechika 1 , Makoto Saiki 1 , Jumpei Suyama 1 , Yui Onoda 1 , Masanori Hirose 1 , and Takehiko Gokan 1

1 Department of Radiology, Showa University School of Medicine, Shinagawa-ku, Tokyo, Japan

The purpose of this study was to compare the image quality of water-only images generated from a 3D dual-echo Dixon technique with that of standard fast spin-echo T1-weighted chemical shift fat-suppressed images for fat-suppressed contrast-enhanced imaging with a 1.5-T MR system. In conclusion, compared with standard T1-weighted fat-suppressed imaging, the Dixon technique is an effective fat suppression method for contrast-enhanced neck MRI. The Dixon technique also seemed to provide better image quality and improvement in severity of artifacts in the lower region of the neck.

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