<unk>  is most often caused by atherosclerosis which causes the<unk> <unk> es to harden and narrow due to the build-up of plaque. This is known as atherosclerotic renovascular disease.This accounts for about 90% of cases with most of the rest due to fibromuscular dysplasia. Fibromuscular dysplasia is the predominant cause in young patients, usually females under 40 years of age.
Renal artery stenosis
Renovascular hypertension
Juxtaglomerular cell tumor
Hypertensive kidney disease
Benign nephrosclerosis
Polycystic kidney disease
Renal vein thrombosis
Primary aldosteronism