Utility of frozen section analysis of resection margins during partial nephrectomy

Urology
Dennis J KubinskiM Craig Hall

Abstract

To evaluate the utility of routine intraoperative frozen-section histologic analysis during partial nephrectomy to ensure negative surgical margins. Partial nephrectomy has gained acceptance for surgical treatment of small renal cancers. Many surgeons send specimens for intraoperative frozen section histologic analysis to ensure negative margins. We reviewed the records of 78 patients who underwent partial nephrectomy for presumed malignancy. Patient demographics, intraoperative findings, and pathologic and clinical outcomes were analyzed. Seventy-nine partial nephrectomies were performed in 78 patients. Frozen sections were obtained intraoperatively in 76 cases. In 1 case (1.3%), a single margin was interpreted as positive for carcinoma, prompting deeper resection. The final histopathologic finding was interpreted as angiomyolipoma rather than carcinoma. The final pathologic examination revealed renal cell carcinoma in 52 (66%) of 79 cases. The mean oncologic follow-up was 16.2 months. One local recurrence was noted (1.9%). It arose in the resection bed 19 months after removal of a 4.5-cm tumor (pathologic Stage T3a). Both intraoperative frozen section margins and final pathologic margins were negative in this case. One patien...Continue Reading

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Citations

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