Long-term management of bilateral, multifocal, recurrent renal carcinoma

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Patients with bilateral multifocal renal cell carcinoma are at increased risk of developing 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. The main reason for recurrence after nephron-sparing surgery is likely to be the presence of multifocal disease, which is identified in 4.3–25.0% of radical nephrectomy specimen. Bilateral renal involvement is seen in almost 90% of cases of multifocal renal carcinoma, and conversely the majority of patients with bilateral disease will have multifocal tumors. Many patients who are treated for multifocal disease, therefore, require subsequent surgical interventions. The outcome data for repeat renal interventions demonstrate reasonable functional and oncologic outcomes despite higher rates of perioperative complications. Our own results support the use of reoperative renal surgery rather than total nephrectomy and renal replacement therapy.

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