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PS2表达与胃癌发生、发展及其淋巴结转移的关系 被引量:2

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摘要 目的 探讨胃肠三叶蛋白(PS2) 在胃癌及癌前病变的表达及其与淋巴结转移的关系。方法 免疫组化SP法测定正常胃黏膜(NOR)、萎缩性胃炎伴中重度肠化(IM)、萎缩性胃炎伴中重度不典型增生(DYS)和早期胃癌(EGC) 各40例, 进展期胃癌(AGC) 100 例中PS2 的表达。结果 NOR、IM、DYS、EGC和AGC组中, 分别有100%、80 0%、75 5%、40 0%和65 0%PS2阳性。PS2表达从IM、DYS至EGC组渐低, AGC高于EGC组。AGC组中, PS2表达在弥漫型高于肠型; PS2表达在浸润胃壁全层及浆膜外者和伴淋巴结转移者中高于仅及肌层者和无转移者; 且与患者性别、年龄、肿瘤部位和大小无关。PS2 对AGC淋巴结转移阳性预测值为0 692。结论 PS2蛋白表达与胃癌发生发展有关, 可用于判定其淋巴结转移。
出处 《福建医药杂志》 CAS 2005年第2期40-42,共3页 Fujian Medical Journal
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