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作 者:朱玲玲[1]
机构地区:[1]复旦大学附属华山医院南汇分院病理科,上海201300
出 处:《世界肿瘤杂志》2011年第1期34-36,F0004,共4页Tumour Journal of the World
摘 要:目的观察子宫内膜腺癌CEA表达与粘液表型,探讨CEA免疫表达及粘液表型在子宫内膜癌组织学诊断中应用与意义。方法采用免疫组织化学方法Envision二步法及阿尔新蓝(PH2.5)/希夫-过碘酸(AB(PH2.5)/PAS)组织化学法染色检测子宫内膜腺癌细胞CEA的表达及粘液表型。结果子宫内膜癌CEA阳性表达率22.7%(10/44),其中33例内膜样腺癌CEA阳性率18.2(6/33),高.中分化、低分化组CEA阳性率11.5%(3/26)、42.8%(3/7),P〉0.05,对应CEA(+)区AB(+)。浆液性乳头状癌CEA阳性率37.5%(3/8),对应CEA(+)区AB(-);2例粘液腺癌CEA(+),AB(+);1例透明细胞癌CEA(-),AB(-)/PAS(+)。结论CEA的阳性表达与子宫内膜癌组织是否功能性分泌酸性唾液酸粘液(AB+)有关;CEA免疫组织化学及粘液组织化学联合检测对子宫内膜腺癌诊断及鉴别诊断有一定的参考价值。Objective To observe expression of CEA and mucinous phenotype in endometrial adenocarcinoma, and discuss the significance and the application of expression of CEA in the diagnosis of endometrial cancer. Methods Envision immunohistochemistry and Alcian blue (PH2.5) / Schiff- periodic acid histochemical staining. Results Endometrial cancer CEA positive rate was 22.7% (10/44). CEA positive rate of endometrial adenocarcinoma patients was 18.2% (6/33). CEA-positive rates in high-medium differentiated and poorly differentiated group were 11.5% (3/26) and 42.8% (3/7), P〉 0.05, Corresponding to CEA (+) area AB (+).CEA positive rate of serous papillary carcinoma was 37.5% (3/8), Corresponding to CEA (+) area AB (-). 2 cases of mucinous adenocarcinoma were CEA (+) and AB (+) .1 case of clear cell carcinoma was CEA (-) and AB (-) / PAS (+). Conclusions The positive expression of CEA is related to whether the function of endometrial sialic acid secretion of mucus (AB +). Combined detection of CEA with immunohistochemistry and mucin histochemistry has reference value for endometrial cancer diagnosis and differential diagnosis.
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