<unk> s are diagnosed under the microscope by pathologists. Microscopically the tumor shows closely packed small tubular structures in edematous stroma. The tubules show considerable variation in size and shape resembling convoluted tubules of the kidney. The single layer of cells lining the tubules are cuboidal with a scant to moderate amount of cytoplasm. In some areas they may have a hobnail appearance. Image:<unk>  - low mag. Low mag. Image:<unk>  - high mag. High mag.
Nephrogenic adenoma
Metanephric adenoma
Renal oncocytoma
Renal medullary fibroma
Adrenocortical adenoma
Juxtaglomerular cell tumor
Renal medullary carcinoma
Adrenocortical carcinoma