Significance of lymphatic invasion on regional lymph node metastasis in early gastric cancer using LYVE-1 immunohistochemical analysis.
It has been reported that lymphatic invasion is a predictor for lymph node metastasis in early gastric cancer (EGC); however, it has been impossible to differentiate between lymphatic invasion and blood vessel invasion using current staining techniques. We studied the significance of lymphatic invasion on regional lymph node metastasis in EGC by using human lymphatic vessel endothelial hyaluronan receptor-1 (LYVE-1) antibody, specific to lymphatic vessels, and von Willebrand factor (vWF) antibody, specific to the blood vessels, to clearly distinguish these vascular tissues.EGC tissues were obtained from 66 node-positive and 66 node-negative subjects and were matched by age and sex. These tissues were immunostained with antibodies against LYVE-1 and vWF. Multivariate logistic regression analysis demonstrated that lymphatic invasion was a significant independent predictor for regional lymph node metastasis (odds ratio, 4.667; P = .0094), whereas blood vessel invasion was not. Thus, lymphatic invasion identified by LYVE-1 antibody could predict the existence of regional lymph node metastasis in EGC.
Fujimoto
Ai
A
Department of Pathology, School of Medicine, Toho University, Tokyo, Japan.
Ishikawa
Yukio
Y
Akishima-Fukasawa
Yuri
Y
Ito
Kinji
K
Akasaka
Yoshikiyo
Y
Tamai
Seiichi
S
Maehara
Tadaaki
T
Kiguchi
Hideko
H
Ogata
Kentaro
K
Nishimura
Chiaki
C
Miki
Kazumasa
K
Ishii
Toshiharu
T
D014408:Biomarkers, Tumor / Q000276:immunology; D006023:Glycoproteins / Q000276:immunology; D006801:Humans; D007150:Immunohistochemistry; D016015:Logistic Models; D008198:Lymph Nodes / Q000473:pathology*; D008207:Lymphatic Metastasis / Q000473:pathology*; D009361:Neoplasm Invasiveness; D009389:Neovascularization, Pathologic / Q000473:pathology; D013274:Stomach Neoplasms / Q000473:pathology*; D033921:Vesicular Transport Proteins
D014408:Biomarkers, Tumor; D006023:Glycoproteins; C119248:LYVE1 protein, human; D033921:Vesicular Transport Proteins