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. 2014 Feb 3;9(2):e87856. doi: 10.1371/journal.pone.0087856

Figure 1. For the representative intervertebral disc, regions of interest (ROIs) evaluation on the sagittal T2WI, an ellipse ROI was selected for the nucleus pulposus (NP).

Figure 1

Suitable ROIs for both the anterior and posterior annulus fibrosus (AF) were selected. Then these ROIs in T2WI were copied to the T2 map and T2 colored-map. T2 values were measured.