A T2 mapping sequence was performed in the axial and sagittal planes with multi-band (MB) acceleration (T2-MB) and without MB acceleration (T2) on the knees of seven healthy volunteers and three subjects with knee osteoarthritis at 3.0T. The use of MB acceleration provided a 50% reduction in scan time. The T2 and T2-MB sequences showed very similar pixel-by-pixel patellar cartilage T2 values in the axial plane and very similar regional knee joint cartilage T2 values in the sagittal plane for all subjects. However, there was a slight bias toward lower cartilage T2 values when using MB acceleration.
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