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乳腺浸润性小叶癌伴细胞外黏液的临床病理特征分析 被引量:2

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摘要 目的研究乳腺浸润性小叶癌(ILC)伴丰富细胞外黏液的临床病理特征。方法收集浸润性小叶癌伴丰富细胞外黏液(ILC-EM)2例,并复习文献病例2例,分析其临床表现、大体形态、组织学形态、TNM分期,雌激素受体(ER)、孕激素受体(PR)、人类表皮生长因子受体2(HER-2)表达谱和随访资料等临床病理特征。结果 4例均为绝经后女性。仅1例为双侧性。大体表现均为较大肿块,边界不清,质地硬韧。TNM分期分别为T3N3M0、T3N1M0、T3NxMx、T3N1Mx。4例组织学上均表现为经典型ILC的生长方式,均并存经典型小叶原位癌。除细胞外黏液区域外,病例1还有多形性ILC,其余3例均为经典型ILC。细胞内外黏液均由特殊染色证实,小叶癌表型均由免疫组化检查证实,例1~4的免疫组化检查结果分别为ER―、PR―、HER-2+,ER+、PR+、HER-2―,ER+、PR+、HER-2―和ER+、PR―、HER-2+,例1和4用荧光原位杂交(FISH)检测了HER-2基因表达。前2例术后辅助化疗,并分别随访16个月和27个月,无病生存,另2例不详。结论 ILC-EM具有独特的临床病理特征。患者均为绝经后年长女性,TNM分期高,HER-2表达率高。
出处 《福建医药杂志》 CAS 2013年第3期77-81,共5页 Fujian Medical Journal
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