JCT often is described as benign, however one case of metastasis has been reported, so its malignant potential is uncertain. In most cases the<unk>  is encapsulated.
Juxtaglomerular cell tumor
Renal medullary fibroma
Renal oncocytoma
Medullary sponge kidney
Metanephric adenoma
Renal medullary carcinoma
Nephrogenic adenoma
Renal cyst