Generation of proton-density- and T2-weighted images with and without fluid suppression from a single radial turbo spin echo acquisition

Radial turbo spin-echo sequences (RARE, TSE, FSE) allow for an efficient acquisition of multi-contrast images. By applying the k-space weighted image contrast (KWIC) filter, images with the clinically important proton-density (PD) and T2 contrast are obtained from a single radial TSE acquisition. The purpose of this work is to extend this method towards an efficient suppression of the cerebrospinal fluid (CSF). This is accomplished by Fourier-analysis of the multi-contrast image series. In that way, CSF suppressed images with T2 contrast can be obtained in addition to the standard PD and T2 weighted images from a single radial TSE measurement.

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