<prompt> Pathological changes of diabetic nephropathy are all except:Fibrin caps and capsular dropsKimmelstein-Wilson lesionBasement membrane thickeningFocal glomerular sclerosis  <response>: Diabetes may cause nodular and diffuse glomerulosclerosis but not focal glomerular sclerosis. Diabetes Mellitus - ed glucose - non enzymatic glycosylation - Advanced glycation end products - efferent aeriole - ed filtration injury - Nodular glomerulosclerosis most characteristic : Kimmelstein Wilson lesion - diffused glomerulosclerosis GFR 