Most specific histological lesion in diabetic nephropathy is-
Nodular lesions of diabetic glomerulosclerosis are also called as Kimmelstiel- Wilson (KW) lesions or intercapillary glomerulosclerosis. These lesions are specific for type 1 diabetes (juvenile onset diabetes) or islet cell antibody-positive diabetes mellitus. The pathologic changes consist of one or more nodules in a few or many glomeruli. the nodule is an ovoid or spherical, laminated, hyaline, acellular mass located within a lobule of the glomerulus. Ref: Harsh Mohan textbook of pathology 6th edition page678
Glomerular crescents
Immune complex deposition
Occlusion of glomeruli with fibrin caps
Nodular glomerulosclerosis
Urinary tract