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Assessment of diagnostic value of fluorescent lymphography-guided lymphadenectomy for gastric cancer

Authors
 Minoa K Jung  ;  Minah Cho  ;  Chul Kyu Roh  ;  Won Jun Seo  ;  Seohee Choi  ;  Taeil Son  ;  Hyoung-Il Kim  ;  Woo Jin Hyung 
Citation
 GASTRIC CANCER, Vol.24(2) : 515-525, 2021-03 
Journal Title
 GASTRIC CANCER 
ISSN
 1436-3291 
Issue Date
2021-03
Keywords
Fluorescence ; Gastric cancer ; Indocyanine green ; Lymphadenectomy
Abstract
Background: Indocyanine green fluorescent lymphography helps visualize the lymphatic drainage pattern in gastric cancer; however, it is unknown whether fluorescent lymphography visualizes all metastatic lymph nodes. This study aimed to evaluate the sensitivity of fluorescent lymphography to detect metastatic lymph node stations and lymph nodes and the risk of false-negative findings. Methods: Patients with clinical T1-4a gastric cancer were included. Indocyanine green was peritumorally injected the day prior to surgery by endoscopy. Gastrectomy with systematic D1+ or D2 lymphadenectomy was performed. Stations and lymph nodes were retrieved at the back-table using near-infrared imaging and classified as "fluorescent" or "non-fluorescent" and later matched with histopathological findings. Results: Among 592 patients who underwent minimally invasive gastrectomy from September 2013 until December 2016, lymph node metastases were present in 150. The sensitivity of fluorescent lymphography in detecting all metastatic lymph node stations was 95.3% (143/150 patients), with a false-negative rate of 4.7% (7/150 patients) and the sensitivity in detecting all metastatic lymph nodes was 81.3% (122/150 patients). The negative predictive value was 99.3% for non-fluorescent stations and 99.2% for non-fluorescent LNs. For detecting all metastatic LN stations, subgroup analysis revealed 100% sensitivity for pT1a, 96.8% for pT1b, 100% for pT2, 91.3% for pT3, and 93.6% for pT4a tumors. Conclusions: Fluorescent lymphography-guided lymphadenectomy can be a useful method for radical lymphadenectomy by facilitating the complete dissection of all potentially positive LN stations. Fluorescent lymphography-guided lymphadenectomy appears to be a reasonable alternative to conventional systematic lymphadenectomy for gastric cancer.
Full Text
https://link.springer.com/article/10.1007/s10120-020-01121-0
DOI
10.1007/s10120-020-01121-0
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyoung Il(김형일) ORCID logo https://orcid.org/0000-0002-6134-4523
Seo, Won Jun(서원준)
Son, Tae Il(손태일) ORCID logo https://orcid.org/0000-0002-0327-5224
Cho, Minah(조민아) ORCID logo https://orcid.org/0000-0003-3011-5813
Choi, Seo Hee(최서희)
Hyung, Woo Jin(형우진) ORCID logo https://orcid.org/0000-0002-8593-9214
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/182190
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