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Optimal choice of pulse phases in triple-quantum filtered sodium imaging in the presence of B0 inhomogeneities

C. Matthies, A. Nagel, L. Schad and P. Bachert

Proceedings 17th Scientific Meeting, International Society for Magnetic Resonance in Medicine, Honolulu,, p.2463

For diagnostic purposes, in sodium (23Na) MRI, the discrimination between free sodium ions and sodium ions restricted in their mobility is desirable. One method to isolate the signal from such ions is triple-quantum filtered sodium MRI. However, a problem connected with this method is the pronounced sensitivity to inhomogeneities in the B0 field. To reduce the influence of the latter, pulse phases must be chosen carefully. We propose a fast method to find optimal values for the pulse phases before measurement and acquire triple-quantum filtered sodium images of the human head.

Contact: Prof. Dr. Frank Zöllner last modified: 06.11.2019
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