期刊
GYNECOLOGIC ONCOLOGY
卷 95, 期 1, 页码 89-94出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ygyno.2004.06.048
关键词
ovarian cancer; HER-2/neu; prognosis; immunohistochemistry
Objective. The prognostic and predictive relevance of HER-2/neu dysregulation in epithelia] ovarian cancer is controversial. The purpose of our study was to document HER-2/neu expression patterns and their correlation with clinicopathologic parameters and survival in a large and biologically homogenous Caucasian patient collective. Methods. Expression of HER-2/neu in ovarian cancer tissue was assessed by immunohistochemistry. Immunohistochemical staining was performed according to established protocols. Results were correlated to clinical data. Results. HER-2/neu overexpression was detected in 6.9% (25/361) of the tumor samples and was significantly associated with tumor stage (P=0.03), but not with lymph node involvement (P=0.5), tumor grade (P=0.3), histological type (P=0.6), residual tumor (P=0.4), serum CA-125 before therapy (P=0.2), and patient age (P=0.8). We found no significant influence of HER-2/neu overexpression on overall and disease-free survival independent of FIGO stage, tumor grade, and residual tumor mass. In a subset of 73 suboptimally debulked patients, women with response to first-line chemotherapy (complete remission [CR] + partial remission [PR]) and no response to first-line chemotherapy (stable disease [SDI + progressive disease [PD]) showed significantly different rates of HER-2/neu overexpression (0% [0/51] vs. 14% [3/22]; P=0.02). Conclusions. Tumor overexpression of HER-2/neu in women with advanced ovarian cancer is rare and provides no prognostic information in addition to that provided by established clinicopathologic parameters. This multicenter study, however, indicates that HER-2/neu overexpression is a predictive factor for the response to first-line chemotherapy in suboptimally debulked patients. (C) 2004 Elsevier Inc. All rights reserved.
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