In an adult Unilateral smooth contracted kidney with hypeension is seen in -
Stenosis of renal aer
Chr. GN
Renal cell CA
Pyelonephritis
Ans. is 'a' i.e., Stenosis of renal aeryAmongst the given options only stenosis of renal aery results in smooth contracted kidney :?o Unilateral renal aery stenosis is relatively uncommon cause of hypeension (2.5% of cases) kidney shows diffuse ischemic atrophy, reduced size.o Chronic GN - kidney is symmetrically contracted and has diffusely granular (not smooth) coical surface. o Pyelonephritis (chronic) - Kidneys are irregularly scarred.o Renal Cell Ca - No smoothness, irrugular surface of kidney is seen.