<unk>  (JCT,<unk> , also reninoma) is an extremely rare kidney<unk> r of the<unk> <unk> s, with less than 100 cases reported in literature. This<unk>  typically secretes renin, hence the former name of reninoma. It often causes severe hypertension that is difficult to control, in adults and children, although among causes of secondary hypertension it is rare. It develops most commonly in young adults, but can be diagnosed much later in life. It is generally considered benign, but its malignant potential is uncertain.
Juxtaglomerular cell tumor
Renal medullary fibroma
Renal oncocytoma
Medullary sponge kidney
Metanephric adenoma
Renal medullary carcinoma
Nephrogenic adenoma
Renal cyst