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  • Title: Nephron-sparing partial nephrectomy for bilateral Wilms' tumor.
    Author: Sulkowski J, Kolon T, Mattei P.
    Journal: J Pediatr Surg; 2012 Jun; 47(6):1234-8. PubMed ID: 22703799.
    Abstract:
    PURPOSE: Partial nephrectomy is increasingly used in children with bilateral Wilms' tumor (BWT) or contralateral recurrence. Nephron-sparing surgery seeks to achieve complete tumor removal while preserving functional renal parenchyma. Previous series have documented high rates of complications, recurrence, and mortality. METHODS: Twelve patients (4 boys and 8 girls aged 9-42 months) with BWT or contralateral recurrence were treated at our institution with unilateral or bilateral partial nephrectomy. Preoperative imaging, operative notes, and pathology reports were reviewed. Outcomes analyzed included complications, recurrence, readmission rate, postoperative glomerular filtration rate (GFR), and survival. RESULTS: All patients underwent successful nephron-sparing resection using standard techniques, with only 2 patients requiring unilateral nephrectomy. Median length of stay was 3 days. There were no major complications or urine leaks. Two patients were lost to follow-up. The remaining 10 were followed up for a median of 36 months (range, 3-79 months). There have been no recurrences or unplanned readmissions. Mean GFR is 107.7 (± 32.8) mL/min per 1.73 m(2), with no patient having a GFR below the lower limit of normal for age. CONCLUSION: Nephron-sparing resection is a safe and effective approach for children with BWT or contralateral recurrence and should be part of the multimodality therapeutic approach to this disease.
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