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01-08-2021 | Metastasis | Review Article

How useful is sentinel lymph node biopsy for the status of lymph node metastasis in cT1N0M0 gastric cancer? A systematic review and meta-analysis

Authors: Yuqiang Huang, Mengting Pan, Zhiwei Deng, Yufei Ji, Bo Chen

Published in: Updates in Surgery | Issue 4/2021

Abstract

Sentinel lymph node biopsy (SLNB) is intriguing because it is expected to further expand the indication of endoscopic resection (ER) for cT1N0M0 gastric cancer and as an additional operation for post-ER gastric cancer. The aim of our study was to perform a systematic review and meta-analysis on the feasibility and diagnostic value of SLNB technique in patients with cT1N0M0 gastric cancer. Eligible studies were systematically searched in PubMed, Embase, and Cochrane Library databases from inception to April 2020. A random-effect model was used to pool the data, and subgroup analysis was used to explain the heterogeneities. A total of 22 clinical studies (1993 patients with cT1N0M0 gastric cancer) were included. The pooled SLN identification rate, sensitivity, specificity, and diagnostic odds ratio with 95% confidence intervals were 0.99 (0.99–1.00), 0.92 (0.88–0.95), 1.00 (1.00–1.00), and 832.8 (395.5–1753.6), respectively. The summary receiver operator characteristic displayed a test accuracy of 99.3%. Subgroup analysis found an improved SLN sensitivity for studies with the mean number of SLNs > 4 and studies stained with a combination of hematoxylin–eosin with immunohistochemistry (HE + IHC). Further, studies using the basin dissection were associated with a higher SLN identification rate. The current meta-analysis provides data that favors the use of SLNB for predicting the status of lymph node metastasis in patients with cT1N0M0 gastric cancer. However, establishing standard procedure and suitable criteria for further application and optimization of SLNB is urgently needed.

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Title: How useful is sentinel lymph node biopsy for the status of lymph node metastasis in cT1N0M0 gastric cancer? A systematic review and meta-analysis
Authors: Yuqiang Huang
Mengting Pan
Zhiwei Deng
Yufei Ji
Bo Chen
Publication date: 01-08-2021
Publisher: Springer International Publishing
Keywords: Metastasis
Gastric Cancer
Gastric Cancer
Published in: Updates in Surgery / Issue 4/2021
Print ISSN: 2038-131X
Electronic ISSN: 2038-3312
DOI: https://doi.org/10.1007/s13304-021-01026-2

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How useful is sentinel lymph node biopsy for the status of lymph node metastasis in cT1N0M0 gastric cancer? A systematic review and meta-analysis

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