Recently, the cortico-medullary difference in Apparent Diffusion Coefficient (ΔADC) from (RESOLVE) diffusion-weighted imaging (DWI with readout segmentation of long variable echo train) allowed the classification of kidney allograft patients according to whether they had more or less than 40% interstitial fibrosis. In this study, ΔADC was externally validated, with a very good AUC, as an index to identify patients with more than 40% fibrosis in a larger and mixed population of 130 patients. In addition, a mixed scoring including the combination of routinely obtained serologic markers including eGFR, and MRI-derived (ΔADC and ΔT1) was proposed to improve renal fibrosis prediction.
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