Assessment of diagnostic value of fluorescent lymphography-guided lymphadenectomy for gastric cancer.
Aged
Coloring Agents
Databases, Factual
Female
Gastrectomy
Humans
Indocyanine Green
Lymph Node Excision
/ methods
Lymph Nodes
/ diagnostic imaging
Lymphatic Metastasis
/ diagnostic imaging
Lymphography
/ methods
Male
Middle Aged
Optical Imaging
/ methods
Predictive Value of Tests
Prospective Studies
Sensitivity and Specificity
Stomach Neoplasms
/ diagnostic imaging
Fluorescence
Gastric cancer
Indocyanine green
Lymphadenectomy
Journal
Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association
ISSN: 1436-3305
Titre abrégé: Gastric Cancer
Pays: Japan
ID NLM: 100886238
Informations de publication
Date de publication:
Mar 2021
Mar 2021
Historique:
received:
17
06
2020
accepted:
03
09
2020
pubmed:
19
9
2020
medline:
15
12
2021
entrez:
18
9
2020
Statut:
ppublish
Résumé
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. 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. 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. 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.
Sections du résumé
BACKGROUND
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
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
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
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.
Identifiants
pubmed: 32945996
doi: 10.1007/s10120-020-01121-0
pii: 10.1007/s10120-020-01121-0
doi:
Substances chimiques
Coloring Agents
0
Indocyanine Green
IX6J1063HV
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
515-525Références
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