Fast three-dimensional sodium imaging of human brain

A three-dimensional sodium imaging technique with a minimum echo time of 0.9 ms is described in a 2.0 Tesla whole-body system. The relaxation behaviour in vivo of sodium was analysed: a fast T(2)(*) relaxation component between 1.2 and 1.6 ms and a slow T(2)(*) relaxation component between 7.1 ms an...

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Bibliographic Details
Published in:Magma (New York, N.Y.) N.Y.), 2001-10, Vol.13 (2), p.63-69
Main Authors: Köhler, S, Preibisch, C, Nittka, M, Haase, A
Format: Article
Language:English
Subjects:
Biophysics - methods
Brain - pathology
Humans
Magnetic Resonance Imaging - methods
Sodium
Time Factors
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Summary:A three-dimensional sodium imaging technique with a minimum echo time of 0.9 ms is described in a 2.0 Tesla whole-body system. The relaxation behaviour in vivo of sodium was analysed: a fast T(2)(*) relaxation component between 1.2 and 1.6 ms and a slow T(2)(*) relaxation component between 7.1 ms and 8.4 ms were quantified in brain tissue of three volunteers. Three-dimensional sodium images of the human brain were acquired in 8.5 min with a resolution of 4.7 x 4.7 x 10 mm (0.2 cc voxel size) and a signal-to-noise ratio of 20 in brain tissue and 30 in cerebrospinal fluid.
ISSN:0968-5243
1352-8661
1352-8661
DOI:10.1007/BF02668153