Renal tumours other than Wilms' tumour in the paediatric age group

The non-Wilms' renal tumours in the paediatric age group may be classified according to age of onset, clinical-biological behaviour and morphology. This distinction is of practical importance because treatment and prognosis are different from those of Wilms' tumours. We report on clinical features, histological patterns, treatment and outcome of 9 cases seen between 1959 and 1981: - renal cell carcinoma (3 patients) - congenital mesoblastic nephroma (2 patients) - bone metastasizing renal tumour (3 patients) - angioleiomyolipoma (1 patient) Our experience is compared with the few reports of the same conditions in the literature.