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Neuroimaging Clin. N. Am. · Feb 1994
ReviewImproved detection of gadolinium enhancement using magnetization transfer imaging.
- A D Elster, V P Mathews, J C King, and C A Hamilton.
- Department of Radiology, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, North Carolina.
- Neuroimaging Clin. N. Am. 1994 Feb 1; 4 (1): 185-92.
AbstractMagnetization transfer (MT) imaging is a new MR imaging technique in which off-resonance radiofrequency pulses are used to selectively saturate protons in macromolecules. This saturation effect is transferred subsequently (by dipolar and chemical exchange interactions) to protons in free water, thereby altering tissue relaxation times and modulating image contrast. Gadolinium enhancement is not significantly mediated by macromolecular interactions and is, therefore, not suppressed by MT pulses. The theory underlying the use of the MT technique is presented, with examples of its clinical usefulness in improving contrast enhancement for a variety of central nervous system diseases.
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