Cis-platinum therapy in a patient with extragonadal seminoma and hydronephrosis of the only functioning kidney. A case report.

A 41-year-old man presented with a massive abdominal extragonadal seminoma. His only functioning kidney was hydronephrotic and the serum creatinine clearance was 55 ml/min. He was given combination chemotherapy including cis-platinum. At 46 months' follow-up he has improved renal function and no evidence of active disease.