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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Top Magn Reson Imaging. 2017 Dec;26(6):251–258. doi: 10.1097/RMR.0000000000000145

Figure 1.

Figure 1

Schematic of an ASL acquisition applied to estimate kidney perfusion. The acquisition includes a control image, where the magnetization is maintained at an equilibrium, and a label image, where the inflowing blood is selectively inverted. The subtraction of the label image from the control image generates the perfusion-weighted image. Using a separately acquired proton-density image and the perfusion quantification model, absolute perfusion maps in physiological values of ml/100g/min can be generated.