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Six patients who underwent bilateral nephrectomy for renal carcinoma were placed on maintenance dialysis; of these, 1 patient had a renal transplant. A 5-year 44% survival of these patients was observed. We feel that radical nephrectomy followed by chronic dialysis is a reasonable alternative and offers a fair prognosis to patients with bilateral renal cancer in which partial nephrectomy is not possible.

To our knowledge this is the first case reported in the literature of a patient with cystic fibrosis and end-stage renal disease, who was on dialysis for 2 years. We discuss here the possible mechanisms responsible for what has been called 'the cystic fibrosis nephropathy' and its consequences.

As more information is gained on the long-term survival in chronic dialysis and transplant patients, it is unacceptable to be satisfied with a clinical impression of the etiology of the end stage renal failure in each case. It becomes important to know the histological diagnosis in patients who present with terminal renal failure. In the past there was little to offer such individuals in terms of therapeutics, and their prognosis was uniformly poor. Thus, biopsy for other than academic reasons was difficult to justify. This is no longer true and presented here is a series of 28 such patients in whom percutaneous renal biopsy was performed. The complications and diagnostic yield are reported. It is further demonstrated that the added knowledge of histological diagnosis can be of benefit to the individual patient.