Parallel multi-slice MR imaging to suppress sideband artifacts

摘要

The present invention relates to a method for MR imaging of an object 10 placed in an examination volume of an MR apparatus 1. The method includes: performing an imaging sequence on a subject 10 having multi-slice RF pulses that simultaneously excite two or more spatially separated image slices; and obtaining an MR signal, the MR signal comprising: The acquisition step received in parallel by a set of RF coils 11, 12, 13 having different spatial sensitivity profiles within the examination volume, and the step of reconstructing an MR image for each image slice from the acquired MR signal; Where MR signal contributions from different image slices are separated based on the spatial sensitivity profile of the RF coils 11, 12, 13 and excited by sideband artifacts, ie, one or more sidebands of the multi-slice RF pulse. MR signal contribution from the selected region is the RF coil 11, 1213. On the basis of the spatial sensitivity profile is suppressed in the reconstructed MR image, and a step of the reconstruction. Furthermore, the present invention relates to an MR apparatus for executing this method and a computer program executed on the MR apparatus.