JOURNAL ARTICLE

Unilateral renal cell carcinoma with coexistent renal disease: a rare cause of end-stage renal disease

R Peces, R Alvarez-Navascués
Nephrology, Dialysis, Transplantation 2001, 16 (2): 291-4
11158402

BACKGROUND: Renal cell carcinoma (RCC) is a disorder encompassing a wide spectrum of pathological renal lesions. Coexistence of unilateral RCC and associated pathology in the contralateral kidney is an unusual and challenging therapeutic dilemma that can result in renal failure. So far, data on unilateral RCC with chronic renal failure necessitating renal replacement therapy have not been published. The aim of the present study was to evaluate the incidence of end-stage renal disease (ESRD) from unilateral RCC, and to assess the associated pathology and possible pathogenic factors.

METHODS: In 1999, a survey of the 350 patients treated by chronic dialysis in Asturias, Spain, was carried out to identify and collect clinical information on patients with primary unilateral RCC whilst on their renal replacement programme.

RESULTS: Seven patients were identified as having ESRD and unilateral RCC, giving an incidence of 2% of patients treated by dialysis. There was a wide spectrum of associated disease and clinical presentation. All patients underwent radical or partial nephrectomy and were free of recurrence 6--64 months after surgery. Six patients were alive and free of malignancy recurrence for 6--30 months after the onset of haemodialysis.

CONCLUSION: ESRD is rare in association with unilateral RCC, but does contribute to significant morbidity. However, the data presented here are encouraging and suggest that cancer-free survival with renal replacement therapy can be achieved in such patients.

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