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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 27:1292-1294, June-July 2006
© 2006 American Society of Neuroradiology

Technical Note
HEAD AND NECK

Fat Signal Suppression in Head and Neck Imaging Using Fast Spin-Echo-IDEAL Technique

A.V. Barger^a, D.R. DeLone^a, M.A. Bernstein^a and K.M. Welker^a

^a From the Department of Radiology, Mayo Clinic, Rochester, Minn

Address correspondence to Andrew Barger, Department of Radiology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905

SUMMARY: We present our initial experience with the use of a modified 3-point Dixon technique to obtain reliable fast spin-echo T1- and T2-weighted fat-suppressed images in the soft-tissue neck. The method has less sensitivity to magnetic field inhomogeneity than frequency-selective radiofrequency fat saturation and provides uniform fat suppression even near tissue-tissue and air-tissue interfaces. Clinical advantages and limitations of the method are discussed and several examples are shown.

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