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不同分子分型乳腺癌TOPⅡα表达与新辅助化疗疗效的相关性 被引量:4

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摘要 目的观察不同分子分型乳腺癌DNA拓扑异构酶Ⅱα(TOPⅡα)表达与新辅助化疗疗效的相关性。方法化疗前经巴德针穿刺活检病理检查证实为乳腺癌的女性患者共141例,分子分型为Luminal A型28例、Luminal B型19例、三阴性型28例、Luminal B-like型35例、Her-2表达型31例,其乳腺癌组织中TOPⅡα表达阳性和阴性者分别为10例和18例、8例和11例、20例和8例、23例和12例、24例和7例。术前所有患者接受并完成新辅助化疗,评定化疗疗效,分析各型乳腺癌的疗效与TOPⅡα表达的关系。结果 Luminal A型、Luminal B型、三阴性型、Luminal B-like型、Her-2表达型患者中TOPⅡα表达阳性和阴性者的化疗有效率分别为60.0%(6/10)和55.6%(10/18)、62.5%(5/8)和54.5%(6/11)、90.0%(18/20)和87.5(7/8)、91.3%(21/23)和50.0%(6/12)、95.5%(23/24)和42.9%(3/7);在Luminal B-like型、Her-2表达型乳腺癌中,TOPⅡα表达阳性和阴性者的化疗有效率相比,分别为P<0.05、P<0.01;Luminal A型、Luminal B型、三阴性型乳腺癌中,TOPⅡα表达阳性和阴性者的化疗有效率相比,P均>0.05。结论在分子分型为Luminal B-like型、Her-2表达型乳腺癌中,TopⅡα阳性表达者新辅助化疗的有效率高于TopⅡα阴性者,TopⅡα阳性表达可作为预测Luminal B-like型、Her-2表达型乳腺癌新辅助化疗疗效的指标。
出处 《山东医药》 CAS 北大核心 2015年第43期78-80,共3页 Shandong Medical Journal
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