Sectoral sampling in centric-scan SPRITE magnetic resonance imaging.
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.
Khrapitchev
Alexandre A
AA
Department of Physics, University of New Brunswick, P.O. Box 4400, Fredericton, NB, Canada E3B 5A3.
Newling
Benedict
B
Balcom
Bruce J
BJ