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Fig. 3 | BMC Veterinary Research

Fig. 3

From: Degenerative changes of the canine cervical spine after discectomy procedures, an in vivo study

Fig. 3

Display of quantitative MR imaging for nuclear size and hydration measurements. a Sagittal T2 weighted MR image of a healthy (top) and degenerated disc (bottom). b Corresponding T2 relaxation time of the NP displayed as a heat map. Red colors represent high T2 relaxation time (high tissue hydration), blue colors low T2 times (low tissue hydration). All MRI voxels not representing NP tissue according to their T2 relaxation time were subtracted leaving only MR voxels representing nuclear tissue in the slide. The size of the nucleus was measured by the amount of NP voxels it was composed of. The degenerated disc on the bottom shows no residual NP voxels indicating that there is no nuclear tissue present on that slide

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