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Abstract #1771

Improved Fat Suppression Homogeneity of mDIXON TSE Total Spine Imaging compared to SPIR Fat Saturation for Post-Contrast T1-weighted Imaging at 3.0T

Jeffrey H. Miller 1 , Amber Pokorney 1 , Padmaja Naidu 1 , Holger Eggers 2 , Michael Schr 3 , and Thomas G. Perkins 3

1 Phoenix Children's Hospital, Phoenix, AZ, United States, 2 Philips Research, Hamburg, Germany, 3 Philips Healthcare, Cleveland, OH, United States

Homogeneous fat suppression is often challenging in large field of view post contrast MRI of the spine. An alternative to traditional spectral fat saturation or IR fat suppression are the Dixon chemical shift based fat suppression techniques. Modified DIXON (mDIXON) was compared with spectral saturation (SPIR) images at 3T of the total spine post contrast using sagittal 2D T1-TSE . A statistically significant difference in image quality was found, with mDIXON demonstrating significantly better image quality and fat suppression then SPIR. The use of mDIXON fat suppression eliminates patient-to-patient variations in image quality of total spine MRI at 3T.

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