<prompt> All of the following are causes of granular contracted kidney except:Benign nephrosclerosisChronic pylonephritisDiabetes mellitusChronic glomerulonephritis  <response>: Answer is C Diabetes Mellitus: The kidneys are typically normal or increased in size in diabetic nephropathy - Harrison 14th 1546, 15th1590 Most forms of chronic renal insufficiencies lead to shrinkage or decrease in size of the kidney. Notable exceptions, wherein kidney size is usually normal or increases include : Diabetic nephropathy Q Amyloidosis Q Polycystic kidney disease Q Kidney is contractedshrunken in the remaining three conditions - Benign nephrosclerosis Q - Chronic pyelonephritis Q - Chronic glomerulonephritis Q 