Metanephric adenoma an unusual renal mass: A rare case

Metanephric adenoma is a rare benign mass that may be radiologically indistinguishable from renal cell carcinoma. The clinical presentation of this entity is similar to a malignant renal mass. Only 200 cases have been reported worldwide till now. Furthermore, there are no strongly predictive clinical and radiological criteria. It, therefore, poses a diagnostic challenge. Since post-operative therapy may vary significantly if the lesion turns out to be malignant, it is crucial to distinguish it from other malignant renal masses.