<prompt> Not a cause of granular contracted kidney-.Diabetes mellitisChronic pyelonephritisBenign nephrosclerosisChronic glomerulonephritis  <response>: Answer is A Diabetes mellitus: Diabetes Mellitus is not associated with contracted small kidneys. The kidneys are typically normal or increased in size in diabetic nephropathy - Harrisons Causes of Contracted Kidneys Chronic Glonterulonephritis Bilateral Nephrosclerosis because of systemic hypeension Bilateral Chronic pvelonephritis Usually unilateral Global renal infarction Unilateral Radiation nephritis Unilateral Renal aery stenosis Unilateral Post obstructive atrophy Unilateral Note that Acute Gloinerulonephritis, and acute pvelonephritis are associated with enlarged kidneys but chronic cases are associated with contracted kidneys 