A CORRELATIVE STUDY OF Ki67 AND VASCULAR ENDOTHELIAL GROWTH FACTOR AND THEIR VALUE IN LARYNGEAL SQUAMOUS CELL CARCINOMA
2005
Objective: To study the correlation between Ki67 and vascular endothelial growth factor(VEGF) and the significance of their expression in laryngeal squamous cell carcinoma(LSCC). Methods: The expressions of Ki67 and VEGF in 40 cases of LSCC and 5 cases of normal laryngeal mucosa were examined by immunohistochemical staining. Results: The expression levels of Ki67 and VEGF in LSCC tissue were higher than in normal laryngeal mucosa (Ki67: P 0.05). They were higher in LSCC with metastasis of lymph nodes than in patients without metastasis (Ki67: P=0.034, VEGF: P=0.006). The expressions of the two genes elevated correspondingly along with the development of LSCC T stage (P<0.05). In addition, correlation analysis indicated that the expression of Ki67 had a positive correlation with VEGF in LSCC(r=0.823, P<0.01). Conclusion: Ki67 and VEGF are objective indexes for the biological behavior of LSCC, and they might be helpful to the diagnosis, treatment and prognosis of laryngocarcinoma.
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