Patients with bilateral multifocal renal cell carcinoma (RCC) are at increased risk for development of locally recurrent or de novo tumors after nephron sparing procedures. When dealing with recurrent renal masses the options are limited to observation, total nephrectomy, ablation, or repeat surgical intervention. We review the literature for association of bilaterality and multifocality, and multifocality as a main factor for development of locally recurrent renal tumors. The importance of maximal renal preservation and morbidity of renal replacement therapy is discussed. The outcome data of repeat renal interventions are presented and demonstrates reasonable functional and oncologic outcomes despite higher perioperative complications. Our results support use of reoperative renal surgery over total nephrectomy and renal replacement therapy.
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