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Indian J Cancer. 2012 Jan-Mar;49(1):102-6. doi: 10.4103/0019-509X.98932.

Port site metastasis after laparoscopic radical nephrectomy: a single-center experience.

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  • 1Department of Urology and Renal Transplantation, SGPGIMS, Lucknow, Uttar Pradesh, India.

Abstract

OBJECTIVE:

To assess the incidence and review the probable etiologies of port site recurrence in patients undergoing laparoscopic radical nephrectomy.

MATERIALS AND METHODS:

One hundred thirty-six patients undergoing laparoscopic surgeries for renal malignancy, including 133 radical nephrectomies and 3 partial nephrectomies, from December 1999 to December 2008 at our institution were followed up for a median period of 59 months (12-120 months). Of the procedures, 121 were performed by transperitoneal, 5 by retroperitoneal and 10 by combined approach (retroperitoneal renal artery clipping followed by transperitoneal nephrectomy). Formal lymphadenectomy was not performed. Postoperative surveillance after radical nephrectomy included history and physical examination with blood tests 3-6 monthly, chest X-ray yearly and abdominal contrast-enhanced computed tomography (CECT) 1-2 yearly. The development of port site recurrence was diagnosed by physical examination, CECT and pathological findings.

RESULTS:

Conversion to open surgery was done in 33 patients. Two (1.47% overall) port site recurrences were observed, both after radical nephrectomies done for renal masses with clinical stages T2N0M0 and TIN0M0. The pathological staging in the two were T2N1M0 Fuhrman's Grade III and T3aN1M0 Grade III, respectively.

CONCLUSION:

Our results report that laparoscopic approach does not necessarily increase the risk of port site recurrence, provided the cases are carefully chosen, principles of oncologic surgery are followed, and conditions that increase the risk of port site metastasis are avoided.

PMID:
22842176
[PubMed - indexed for MEDLINE]
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