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  • Title: Bilateral synchronous sporadic renal cell carcinoma: surgical management, oncological and functional outcomes.
    Author: Pahernik S, Cudovic D, Roos F, Melchior SW, Thüroff JW.
    Journal: BJU Int; 2007 Jul; 100(1):26-9. PubMed ID: 17552949.
    Abstract:
    OBJECTIVE: To analyse the functional and oncological outcomes of surgical treatment of bilateral synchronous sporadic renal cell carcinoma (RCC). PATIENTS AND METHODS: Between 1969 and 2006, 57 patients with bilateral synchronous sporadic RCC were identified from our kidney database. The mean (range) follow-up was 4.8 (0.1-23.8) years; 28 patients (49%) had radical nephrectomy (RN) and contralateral nephron-sparing surgery (NSS), and 22 (39%) had bilateral NSS. The oncological outcome and long-term renal function were analysed. RESULTS: After excluding four patients (7%) with bilateral benign renal tumours, six (11%) with metastatic bilateral RCC and three (5%) who had bilateral RN, the cancer-specific outcome was analysed. For 44 patients with bilateral RCC who had surgery with intent to cure and avoid dialysis, 13 (30%) had stage pT1a, 10 (23%) pT1b, nine (17%) pT2 and 12 (27%) pT3 disease. At 5 and 10 years, the cancer-specific survival rates were 86% and 75%, and the local recurrence-free survival rates were 87% and 80%. The median serum creatinine level at the latest follow-up was 1.18 mg/dL in patients after bilateral NSS and 1.40 mg/dL after unilateral NSS and contralateral RN (P < 0.05). CONCLUSIONS: These long-term data support the concept that NSS, whenever possible bilateral, is the treatment of choice for bilateral synchronous sporadic RCC. NSS provides adequate local tumour control and cancer-specific survival. Preservation of renal function is more efficient with bilateral NSS than with unilateral NSS and contralateral RN.
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