Metanephric Adenofibroma

**Semantic type:** Neoplastic Process

**Definition:** A benign, solitary, and partially cystic neoplasm arising from the kidney. It occurs in children and adults. Presenting symptoms include hematuria and polycythemia. It is characterized by the presence of epithelial nodules embedded in a stroma containing spindle cells.

**Synonyms:** - Nephrogenic Adenofibroma - Nephrogenic adenofibroma