The Journal of urology
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The Journal of urology · Mar 1983
Case ReportsCystic partially differentiated nephroblastoma and polycystic Wilms tumor: a spectrum of related clinical and pathologic entities.
Cystic partially differentiated nephroblastoma is a rare neoplasm occurring in young children and demonstrating features of classic nephroblastoma (Wilms tumor) and multilocular cysts. Cystic partially differentiated nephroblastoma actually represents a spectrum of cystic renal tumors in which varying amounts of blastema, stroma and epithelial structures are present. ⋯ The clinical and pathologic findings, and management of 2 infants with cystic partially differentiated nephroblastoma are presented. The controversy over the histogenesis of these lesions and whether they should be considered benign or potentially malignant is discussed.