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Expression and clinical significance of EGFR and Her-2 in gastric cancer

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Author:
No author available
Journal Title:
CANCER RESEARCH AND CLINIC
Issue:
11
DOI:
10.3760/cma.j.issn.1006-9801.2010.11.004
Key Word:
胃肿瘤;表皮生长因子受体;Her-2;Stomach neoplasms;EGFR;Her-2

Abstract: Objective To analyze the relationship between the survival and expressions of EGFR and Her-2, and explore the prognostic significance of EGFR and Her-2 in gastric cancer patient by detecting the expressions of EGFR and Her-2 in gastric cancer specimens. Methods EGFR and Her-2 were detected by immunohistochemistry. The relation between their expressions with their clinical characteristics and prognosis were analyzed. Results The over-expression rates of EGFR and Her-2 are 27.4 % and 32.1% respectively in 84 cases. The over-expression rates of EGFR and Her-2 in patients with Ⅲ + Ⅳ stages were significantly higher than those with Ⅰ + Ⅱ stages(respectively, P =0.014 and P =0.005). The positive rate in patients with T3+T4 stages were significantly higher than those with T1+T2 stages (P=0.033); and the positive rate in patients with positive lymph node was higher significantly than that with negative (P =0.033). The OS and PFS in over-expression patients were significantly longer than low-expression. Conclusion The overexpression of EGFR and Her-2 could be used to evaluate the degree of differentiation and prognosis of patients with gastric cancer.

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