The Application of Immuno-Histochemistry, Dual-Color Silver-Enhanced Insitu Hybridization and Fluorescence Insitu Hybridization to Detect the HER-2 Gene Status in Breast Cancer
LIU Jiying, CHEN Mingguang, HAN Mingqi, et al
Nanping First Hospital, Fujian Nanping 353000, China
Abstract：Objective: To compare the effects of immuno-histochemistry (IHC), dual-color silver-enhanced insitu hybridization (DISH) and fluorescence insitu hybridization (FISH) on the status of breast cancer HER-2 gene. Methods: Retrospective study was conducted on 180 cases of unilateral breast cancer patients admitted to our hospital from January 2017 to December 2019, all of whom were female . Tissue specimens were collected and examined for HER-2 by IHC, DISH and FISH. Results: Results of HER-2 gene in 180 patients: IHC test showed negative expression of HER-2 in 118 patients and positive expression of HER-2in 49 patients. DISH detection of HER-2 gene amplification was performed in 56 cases, 107 cases without amplification and 17 cases with uncertainty. FISH detected 54 cases of HER-2 amplification, 107 cases without amplification, and 19 cases with uncertainty. Comparison of different detection Methods: the Kappa value of HER-2 gene detected by DISH and IHC was 0.788, showing good consistency; The Kappa value of HER-2 gene examined by FISH and IHC was 0.784, wIHCh was highly consistent; The Kappa value of HER-2 gene detected by DISH and FISH was 0.939, indicating a high consistency. Conclusion: IHC, DISH and FISH can evaluate the her-2 gene status of breast cancer patients, and IHC can be used as a screening method. If medical resources permit, treatment plans should be made based on DISH test results.
刘继英, 陈明光, 韩明其, 龚云辉, 黎辉. 免疫组织化学法双色银染原位杂交与荧光原位杂交技术检测乳腺癌HER-2基因状态的应用[J]. 河北医学, 2020, 26(12): 1991-1994.
LIU Jiying, CHEN Mingguang, HAN Mingqi, et al. The Application of Immuno-Histochemistry, Dual-Color Silver-Enhanced Insitu Hybridization and Fluorescence Insitu Hybridization to Detect the HER-2 Gene Status in Breast Cancer. HeBei Med, 2020, 26(12): 1991-1994.
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2020, Vol. 26 
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