PMID: 22340047Feb 22, 2012Paper

HER-2 expression in advanced gastric cancer and its correlation with clinical features, outcome and prognosis

Zhonghua zhong liu za zhi [Chinese journal of oncology]
Yan WangChuan-hua Zhao

Abstract

To assess the HER-2 status in Chinese advanced gastric cancer patients and explore its correlation with clinical features, treatment response and prognosis. A total of 107 patients with advanced gastric cancer treated in our hospital from December 2005 to November 2008 were included in this retrospective analysis. HER-2 status was determined by immunohistochemisty (IHC) and/or fluorescence in situ hybridization (FISH). The correlations of HER-2 status with tumor location, pathology, treatment response and prognosis were analyzed and the efficacy of different chemottherapy regimens was compared. The overall positive rate of HER-2 expression was 14.7% (15/102). The HER-2 status was detected by both methods in 102 patients, and the concordance of the two methods was 66.5%. The tumor site distribution was gastroesophageal junction (GEJ) 28.0%, proximal stomach 19.4%, gastric corpus 16.1%, antrum 26.9% and whole stomach 9.7%, respectively. There was no significant difference of HER-2 status among different tumor sites (P = 0.726), and no significant correlation between HER-2 expression and differentiation (P = 0.110). Among the evaluable 51 patients treated by first-line chemotherapy, the total objective effective rate was 23.5%. Th...Continue Reading

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