Keywords: Whole Joint, Low-Field MRI
Motivation: Fat saturation in musculoskeletal MRI at 0.5T in the presence of knee implants.
Goal(s): Echo spacing requirement of Fast spin-echo triple-echo Dixon (fTED) renders it as a preferred option for fat suppression even in the presence of implants without significant scan time penalty.
Approach: Commercially available fTED MRI was used to acquire 3 echoes (intra echo spacing of 6.71msec) between two consecutive refocusing pulses of FSE data acquisition at 0.5T research MRI system.
Results: Good quality fat suppression was observed in PD fat saturation knee MRI over 3 patients with knee implants.
Impact: Low and mid field MRI can benefit from fTED algorithm for fat suppression where water and fat are resonating in close proximity (in Hz) of each other without significant scan time penalty.
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