Although pathologic classifications exist for several renal diseases, including IgA
nephropathy, focal segmental glomerulosclerosis, and lupus nephritis, a uniform
classification for diabetic nephropathy is lacking. Our aim, commissioned by the Research
Committee of the Renal Pathology Society, was to develop a consensus classification
combining type1 and type 2 diabetic nephropathies. Such a classification should
discriminate lesions by various degrees of severity that would be easy to use internationally …