Figure 3

(a) T2-weighted image for an IVD classified as Pfirrmann’s grade 1 (arrow, left panel) and the corresponding diffusion-weighted image with the location of anterior, middle, and posterior ROIs used for the computation of \(ADC\) values (right panel). (b) Similar T2- and diffusion-weighted images for an IVD classified as Pfirrmann’s grade 3.