Cystic Partially Differentiated Kidney Nephroblastoma

**Semantic type:** Neoplastic Process

**Definition:** A variant of Wilms tumor of the kidney characterized by the presence of cystic spaces separated by septa. The septa contain immature epithelial cells, immature stromal cells, and blastema cells. Surgical resection is usually curative.

**Synonyms:** - Cystic Partially Differentiated Nephroblastoma - Cystic partially differentiated nephroblastoma - Malignant Cystic Nephroma - Malignant Multilocular Cystic Nephroma - Malignant cystic nephroma - Malignant multilocular cystic nephroma