Positive surgical margins after nephron-sparing surgery for renal cell carcinoma: incidence, clinical impact, and management.

Abstract:

:Nephron-sparing surgery (NSS) for renal cell carcinoma (RCC) offers comparable oncologic results but a lower risk of chronic kidney disease when compared with radical nephrectomy; however it can result in positive surgical margins (PSMs) and consequently to a possible risk of oncologic failure. The aim of this review is to evaluate the incidence of PSMs after nephron-sparing surgery, to assess their clinical and oncologic impact, and to provide an overview of the possible therapeutic management. We performed a nonsystematic review of the literature in the MEDLINE database using the following keywords: partial nephrectomy, nephron-sparing surgery, and positive margin. We reviewed articles published only in English from January 2002 to May 2012. The overall incidence of PSMs after NSS ranges from 0% to 7%, with no significant differences in open, laparoscopic, and robot-assisted techniques. Smaller tumor size could result in a higher risk of PSMs. Even if there is not a clear agreement in the clinical evidence, local recurrence seems to be more likely in patients with PSMs, especially in those with high-grade tumors. Development of metastases and cancer-specific survival, as seen in midterm follow-up studies, seems to be comparable to those in patients with negative surgical margins. Considering the globally low risk of local recurrence, development of metastasis, or cancer-specific mortality, careful surveillance could be the best management option for most patients with PSMs after NSS.

journal_name

Clin Genitourin Cancer

authors

Borghesi M,Brunocilla E,Schiavina R,Martorana G

doi

10.1016/j.clgc.2012.09.010

subject

Has Abstract

pub_date

2013-03-01 00:00:00

pages

5-9

issue

1

eissn

1558-7673

issn

1938-0682

pii

S1558-7673(12)00186-3

journal_volume

11

pub_type

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