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난소의 상피성 종양에서 c-erb B2 단백발현에 관한 연구
손현진,홍성직,이영직,이동근,정명자,최호열 의과학연구소 1998 全北醫大論文集 Vol.22 No.2
In the present study, immunohistochemical detection of c-erb B2 oncoprotein was performed to determine whether the histological type, histologic grades of malignancy(benign, borderline, or malignancy), and clinial stage can be related to degree of c-erb B2 oncoprotein expression. Paraffin section of 36 cases of serous tumor and 22 cases of mucinous tumor were examined for the overexpression of c-erb B2 oncoprotein by peroxidase immunohistochemistry. The obtained results were as follows : 1. All benign and borderline epithelial ovarian tumors showed negative staining for c-erb B2 oncoprotein. 2. C-erb B2 was expressed in 9 of 26 cases (34.6%) of malignant serous tumors, and 4 of 12 cases(33.3%) of malignant mucinous tumors. 3. C-erb B2 was expressed in 1 of 7 cases(14%) of histologic grade Ⅰ, 6 of 12 cases(505) of grade Ⅱ, and 2 of 7 cases(29%) of grade Ⅲ in malignant rumors. 4. The rate of expression of c-erb B2 was positively related with clinical stages [Ⅰ(12.5%), Ⅲ(40%, Ⅳ(44.4%)] but it is not statistically significant. According to the above results, the expression of c-erb B2 does not apear to be correlated with histologic type, histologic degrees of malignancy, histologic grade, and clinical stage of epithelial ovarian tumors. Further studies are needed for determining the role of c-erb B2 oncoprotein in the progression of epithelial ovarian tumors.