Esophageal squamous cell carcinoma (ESCC) is a common malignancy with a very poor prognosis. Vascular endothelial growth factor C (VEGF-C) plays an important role in angiogenesis and lymphangiogenesis. This study was designed to analyze the correlation of VEGF-C expression with clinicopathological features and survival in multiple specimen sources from patients with ESCC.
Material and methods
The expression of VEGF-C in tissues (tVEGF-C), serum (sVEGF-C), and lymph fluid (lVEGF-C) from 48 patients with ESCC was detected by different methods.
Results
There were significant correlations between a high level of tVEGF-C expression and tumor differentiation, tumor depth, lymph node metastasis, TNM stage and metastasis. sVEGF-C was only significantly related to lymph node metastasis, TNM stage and metastasis. The results of lVEGF-C expression were similar to those of tVEGG-C expression, but no relationship to tumor depth was found. High expression levels of tVEGF-C, sVEGF-C and lVEGF-C were significantly associated with shorter overall survival times in univariate analysis (log-rank test).
Conclusions
The expression of VEGF-C in multiple specimen sources from patients with ESCC was associated with certain clinicopathological parameters. High expression of VEGF-C may be an important factor related to a poor prognosis of ESCC.
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