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AJNR - American Journal of Neuroradiology

Publication Preview: Published July 24, 2008

American Journal of Neuroradiology 2009;30:42.

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American Journal of Neuroradiology
DOI 10.3174/ajnr.A1132

HEAD & NECK

Improving Fat-Suppressed T2-Weighted Imaging of the Head and Neck with Two Fast Spin-Echo Dixon Techniques: Initial Experiences

J. Ma, E.F. Jackson, A.J. Kumar and L.E. Ginsberg

From the Departments of Imaging Physics (J.M., E.F.J.) and Diagnostic Radiology (A.J.K., L.E.G.), University of Texas M.D. Anderson Cancer Center, Houston, Tex.

Please address correspondence to Jingfei Ma, PhD, Department of Imaging Physics, University of Texas M.D. Anderson Cancer Center, Box 56, Houston, TX 77030; e-mail: jma{at}di.mdacc.tmc.edu

SUMMARY: Two modified fast spin-echo (FSE) techniques (a 2-point and a single-scan triple-echo Dixon) were used for T2-weighted imaging of the head and neck in 7 patients along with conventional FSE with fat saturation. Both Dixon techniques provided consistent and more uniform fat suppression (FS) than conventional FSE. The 2-point Dixon technique was noted to be more susceptible to motion artifacts. The triple-echo Dixon technique offered the best scan time efficiency and overall image quality.