Fig. 1From: Quantitative DCE-MRI: an efficient diagnostic technique for evaluating early micro-environment permeability changes in ankylosing spondylitisRepresentative images of ROIs outlined. a Image shows that ROIs have been manually drawn on magnified DCE-MRI image,and that the colour parametric maps of (b) Ktrans (min− 1), (c) Kep (min− 1) and (d) Ve are automatically generatedBack to article page