3.9 Review

Potential benefit of lymph node dissection during radical nephrectomy for kidney cancer: A review and critical analysis of current literature

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ASIAN JOURNAL OF UROLOGY
卷 9, 期 3, 页码 215-226

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ELSEVIER SINGAPORE PTE LTD
DOI: 10.1016/j.ajur.2022.03.007

关键词

Renal cell carcinoma; Lymph node dissection; Radical nephrectomy; Salvage lymph node dissection

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The role of lymph node dissection (LND) in patients with renal cell carcinoma undergoing surgery is still controversial. Current research suggests a possible survival benefit of LND in high-risk patients, but evidence from randomized clinical trials is still lacking. LND is currently mainly used for staging purposes.
Objective: The role of lymph node dissection (LND) is still controversial in patients with renal cell carcinoma undergoing surgery. We aimed to provide a comprehensive review of the literature about the effect of LND on survival, prognosis, surgical outcomes, as well as patient selection and available LND templates. Methods: Recent literature (from January 2011 to December 2021) was assessed through PubMed and MEDLINE databases. A narrative review of most relevant articles was provided. Results: The frequencies in which LNDs are being carried out are decreasing due to an increase in minimally invasive and nephron sparing surgery. Moreover, randomized clinical trials and meta-analyses failed to show any survival advantage of LND versus no LND. However, retrospective studies suggest a survival benefit of LND in high-risk patients (bulky tumors, T3-4 stage, and cN1 patients). Moreover, extended LND might provide important staging information, which could be of interest for adjuvant treatment planning. Conclusion: No level 1 evidence of any survival advantage deriving from LND is currently available in literature. Thus, the role of LND is limited to staging purposes. However, low grade evidence suggests a possible role of LND in high-risk patients. Randomized clinical trials are warranted to corroborate these findings. (C) 2022 Editorial Office of Asian Journal of Urology. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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