Renal benign epithelial nodal inclusions.

There are 3 case series reports describing benign epithelial inclusions in nodal sinuses of perinephric lymph nodes of pediatric patients. The majority of these inclusions were observed in perinephric lymph nodes removed during nephrectomies from pediatric patients with Wilms' tumors. We report 2 cases of benign renal tubular epithelial inclusions located in the perinephric hilar lymph nodes. One of our cases is, to our knowledge, the first case of benign renal epithelial inclusions reported in an adult patient.