食管鱗癌組織中VEGF-C、CTTN的表達(dá)及其臨床意義
[Abstract]:Background and objective: esophageal cancer is a malignant tumor of digestive tract that threatens the health of Chinese people. The incidence of esophageal cancer is high in recent years. According to the report of the National Cancer Center, the number of new cases of esophageal cancer in China in 2010 was as high as 287632 cases. 90% of them were squamous cell carcinoma of the esophagus. The depth of invasion and lymph node metastasis are considered to be the key factors to judge the clinical stage and prognosis of patients with esophageal cancer. However, a large number of studies have reported that the patients with negative lymph node metastasis still have recurrence after operation, and it is assumed that lymphatic invasion is the main cause of recurrence. Therefore, it is of great significance to search for factors related to lymph node metastasis, especially lymphatic invasion, to reduce recurrence and improve survival rate. Some studies have shown that VEGF-C can promote the proliferation, growth, invasion and metastasis of many kinds of tumor cells and tumor microlymphangiogenesis. CTTN protein is related to the ability of cancer cell movement, invasion and anti-nesting and apoptosis. However, there is still a lack of research on the relationship between VEGF-C and CTTN and the depth of invasion, lymphatic invasion and lymph node metastasis in esophageal squamous cell carcinoma and prognosis. The expression of VEGF-C,CTTN in esophageal squamous cell carcinoma and the relationship between D2-40 labeled lymphatic infiltrating (LVI) and clinicopathological features and prognosis of esophageal squamous cell carcinoma were analyzed by immunohistochemical method. Methods: immunohistochemical method was used to detect the expression of VEGF-C and CTTN protein and D2-40 labeled lymphatic infiltrating (LVI) in 216 cases of esophageal squamous cell carcinoma and adjacent normal esophageal mucosa. SPSS19.0 software was used to analyze the relationship between the clinicopathological features of esophageal squamous cell carcinoma and the total survival time. Results: the positive expression rates of VEGF-C,CTTN in esophageal squamous cell carcinoma and adjacent normal esophageal mucosa were 43.9% and 10.625. 5%, respectively. The difference between them was statistically significant (P < 0. 000). The lymphatic infiltration rate in 216 cases of esophageal squamous cell carcinoma was 63.9%. The expression of VEGF-C,CTTN in esophageal squamous cell carcinoma was correlated with (p T), TNM stage of invasive depth of esophageal squamous cell carcinoma, (pN) of lymph node metastasis and (LVI) of lymphatic invasion. The difference was statistically significant (P0. 001). Logistic univariate and multivariate regression analysis showed that VEGF-C,CTTN,LVI and TNM staging were independent factors in predicting lymph node metastasis (P0. 001). In univariate analysis, the depth of invasion was an independent factor affecting lymph node metastasis (P0. 042). However, the depth of invasion in multivariate analysis was not an independent risk factor for predicting lymph node metastasis. Kaplan-Meier survival analysis showed that the median survival time of VEGF-C (-) group was 51.0 months. The median survival time was 28.0 months higher than that in VEGF-C () group. The median survival time of CTTN (-) group was 54.0 months, which was significantly higher than that of CTTN () group (26.0 months), and the Log rank values of VEGF-C and CTTN were 11.810 鹵18.100, respectively. The above differences were statistically significant (P0.001). Meanwhile, Kaplan-Meier survival analysis showed that the median survival time of LVI () group was 26.0 months (95 CI: 16.843 ~ 35.157 months), which was significantly lower than that of LVI (-) group (95 CI: 39.467-568.533 months). The difference was statistically significant (P0. 001). Cox multivariate analysis showed that the invasive depth of pT,TNM staging, LVI,pN,VEGF-C,CTTN as an independent factor affecting the prognosis of esophageal squamous cell carcinoma, there was no significant difference (P0.05). Conclusion: VEGF-C,CTTN may be a reliable tumor marker for predicting pathological stage, lymphatic invasion, lymph node metastasis and prognosis of esophageal squamous cell carcinoma.
【學(xué)位授予單位】:承德醫(yī)學(xué)院
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2016
【分類號】:R735.1
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