<unk> s are diagnosed by pathologists based on the examination of tissue. They consist of bland spindle-shaped or stellate-shaped cells in a loose stroma.<unk>  tubules may be entrapped. Image:<unk>  - low mag. Low mag. Image:<unk>  - high mag. High mag.
Renal medullary fibroma
Renal oncocytoma
Renal anaplastic sarcoma
Renal medullary carcinoma
Cystic nephroma
Renal cyst
Juxtaglomerular cell tumor
Papillary renal cell carcinoma