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췌장관 샘암종에서 c-erbB-2와 Cyclooxygenase-2의 면역조직화학적 발현

Expression of c-erbB-2 and Cyclooxygenase-2 in PancreaticDuctal Adenocarcinoma

최준혁|윤성수|김홍진|최혜정
대한병리학회|2007.06|Journal of Pathology and Translational Medicine|제41권 제3호|pp. 171-175

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참고문헌

주제분류병리학

초록

Abstract

Background : Carcinoma of the pancreas is a fatal malignant disease with limited therapeutic options. Cyclooxygenase-2 (COX-2) and c-erbB-2 are known to be involved in the carcinogenesis, differentiation and invasiveness of various neoplasms. We studied the immunohistochemical expressions of c-erbB-2 and COX-2 and the correlation between these expressions and the clinicopathologic parameters and the relation between the expressions. Methods : Immunohistochemical staining for c-erbB-2 and COX-2 were performed on the paraffin embedded sections of 36 cases of surgically resected ductal adenocarcinoma of the pancreas and 10 cases of non-neoplastic pancreas tissue. Results : The non-neoplastic control group showed a c-erbB-2 expression in the acini (8/10) and ducts (2/10), and a COX-2 expression in the acini (6/10) and ducts (3/10). The overexpression of c-erbB-2 was observed in 58% (21/36) of the carcinoma specimens. No significant correlation was found between c-erbB-2 and age, gender, tumor size, gross type, histologic grade, vascular invasion, perineural invasion, lymph node metastasis, and the TNM stage. The overexpression of COX-2 was observed in 41.7% (15/36) of the carcinoma specimens. The COX-2 expression was significantly high in the lymph node metastasis group (p<0.05), but it was not correlated with the other clinicopathologic parameters. Also there was no significant correlation between the c-erbB-2 and COX-2 expressions. Conclusions : In pancreatic ductal adenocarcinomas, c-erbB-2 and COX-2 were frequently overexpressed, and COX-2 overexpression was correlated with lymph node metastasis.

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