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
Phoenix Children's Hospital, Phoenix, AZ,
Research, Hamburg, Germany,
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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