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J Magn Reson. 2006 Feb;178(2):288-96. Epub 2005 Nov 10.

Sectoral sampling in centric-scan SPRITE magnetic resonance imaging.

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Department of Physics, University of New Brunswick, P.O. Box 4400, Fredericton, NB, Canada E3B 5A3.


A new approach to the construction of k-space trajectories for centric-scan SPRITE in both 2D and 3D is presented. All benefits of previous SPRITE methods are retained, most importantly the ability to image objects with short T*(2). This new approach gives more flexibility in the choice of number of interleaves with points more evenly distributed across k-space. All these improvements positively contribute to image quality and resolution, which can be also traded off against experimental speed. Sectoral sampling will have significant benefits for magnetisation preparation contrast imaging.


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