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.

Automated summary

Metanephric adenoma is a rare benign mass that resembles malignant renal cell carcinoma in clinical presentation and radiological features, making it challenging to diagnose. Only 200 cases have been reported worldwide, and there are no reliable clinical and radiological criteria for accurate prediction. Accurate differentiation from other malignant renal masses is crucial for appropriate post-operative therapy.