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NMR Biomed. 2015 Nov;28(11):1526-34. doi: 10.1002/nbm.3414. Epub 2015 Sep 30.

Multi-slice MRI with the dynamic multi-coil technique.

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Yale University School of Medicine, Department of Diagnostic Radiology, MR Research Center (MRRC), New Haven, CT, USA.
RWTH Aachen University, Aachen, Germany.


To date, spatial encoding for MRI is based on linear X, Y and Z field gradients generated by dedicated X, Y and Z wire patterns. We recently introduced the dynamic multi-coil technique (DYNAMITE) for the generation of magnetic field shapes for biomedical MR applications from a set of individually driven localized coils. The benefits for B0 magnetic field homogenization have been shown, as well as proof of principle of radial and algebraic MRI. In this study the potential of DYNAMITE MRI is explored further and the first multi-slice MRI implementation in which all gradient fields are purely DYNAMITE based is presented. The obtained image fidelity is shown to be virtually identical to that of a conventional MRI system with dedicated X, Y and Z gradient coils. Comparable image quality is a milestone towards the establishment of fully functional DYNAMITE MRI (and shim) systems.


DYNAMITE; multi-coil; radial imaging; spatial encoding; spatial selection; spherical harmonic

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