Water or Fat selective 3D-bSSFP imaging combined with banding artifact correction for MSK imaging at 3T

Musculo-skeletal MRI with fat signal suppression techniques are usually performed in 2D to shorten acquisition time and obtain sufficient signal and induce restrictions in echo time or flip angle values. Due to high SNR acquired in short acquisition time in 3D, bSSFP sequence was combined to a frequency-selective binomial pulse at 3T. Centering the frequency of this pulse to the resonance frequency of water or fat protons generated fat-free or water-free images, respectively. To remove banding artefacts, four images acquired at different resonance frequencies were summed using Sum-Of-Square . This new sequence allowed to obtain 3D high-resolution knee images without fat signal and banding artefacts.

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