泪腺腺样囊性癌 S-100蛋白、神经细丝酸性蛋白的表达及其意义

Medical Journal of the Chinese People's Armed Police Forces(2014)

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Abstract
目的:探讨泪腺腺样囊性癌S-100蛋白及神经细丝酸性蛋白( glial fibrillary acidic protein, GFAP)的表达及其意义。方法收集手术切除泪腺腺样囊性癌28例标本,根据临床症状及组织学观察分为嗜神经侵袭组(15例)和无嗜神经侵袭组(13例),并取术中切除的正常泪腺组织9例为正常对照。应用免疫组织化学SP染色法检测S-100及GFAP在上述组织中表达的差异。结果嗜神经侵袭性生长组的S-100、GFAP阳性表达分别为12例(80%)和9例(60%),与无嗜神经侵袭性生长组S-100阳性5例(41.67%)、GFAP阳性表达率为0相比,呈显著升高趋势,差异有统计学意义(P<0.05)。结论 GFAP、S-100在有嗜神经性侵袭的腺样囊性癌中有特异性表达,其侵袭特性可能与肿瘤细胞中存在着神经膜细胞分化有关。
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Key words
lacrimal adenoid cystic carcinoma,S-100,glial fibrillary acidic protein,neural invasion,immunohistochemistry
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