[Clinical significance of determining differentiation antigens of peripheral blood lymphocytes in neuroblastoma and nephroblastoma in children].

Peripheral blood lymphocytes were studied in 22 pediatric patients suffering nephroblastoma and neuroblastoma. Monoclonal antibodies were used. Failure of T-cell immunity was registered in both groups. Nephroblastoma patients revealed high levels of natural killer cells. Immunity was studied versus clinical stage, duration of disease and response. Immunocorrection modalities are discussed.