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胆囊良恶性病变组织中IGF-1及其IGF-1R表达的研究

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摘要 目的研究胆囊腺癌、癌旁组织、腺瘤性息肉和慢性胆囊炎组织中IGF-1和IGF-1R的表达水平及其临床病理意义。方法取108例胆囊腺癌、46例癌旁组织、15例腺瘤性息肉和35例慢性胆囊炎手术切除标本,常规制作石蜡包埋切片,IGF-1和IGF-1R染色方法均为EnVisionTM免疫组化法。结果胆囊腺癌IGF-1和IGF-1R表达阳性率分别为53.7%和51.9%,明显高于癌旁组织的23.9%和26.1%,腺瘤性息肉的13.3%和13.3%和慢性胆囊炎的5.7%和5.7%,均有高度显著性差异(均P<0.01)。高分化腺癌,肿块最大径<2cm,无淋巴结转移及未侵犯周围组织者IGF-1和IGF-1R表达阳性率明显低于低分化腺癌,肿块最大径≥2cm,淋巴结转移及侵犯周围组织者(P<0.05或P<0.01)。胆囊腺癌中IGF-1和IGF-1R表达呈高度一致性(χ2=65.32,P<0.01)。结论IGF-1和IGF-1R表达水平可能是反映胆囊腺癌发生、进展、临床生物学行为及预后的重要标记物。
出处 《中国普通外科杂志》 CAS CSCD 2008年第9期928-931,共4页 China Journal of General Surgery
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