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- W3208149725 abstract "目的： 探讨胃具有腺和神经内分泌双向分化的癌（AC）的临床病理学特征。 方法： 收集苏州大学附属第三医院/常州市第一人民医院2019—2020年诊断的胃AC 2例患者的临床资料，观察其组织形态学特征，通过免疫组织化学染色、特殊染色及二代测序等技术分析其免疫表型及分子特征，并复习相关文献。 结果： 2例患者均为男性。例1，54岁，病变位于胃窦，肿瘤最大径为4 cm；例2，75岁，病变位于贲门，肿瘤最大径为2 cm。镜下观察肿瘤细胞主要呈片状或条索状分布，细胞异型性大，核仁明显，核分裂象多见，肿瘤细胞主要为印戒细胞样，例1可见神经内分泌肿瘤成分，并伴淋巴结转移，例2局灶伴有细胞外黏液，还可见瘤巨细胞。2例肿瘤细胞均弥漫强阳性表达突触素、嗜铬粒素A和CD56，广谱细胞角蛋白、MUC1和MUC4也有表达，不表达MUC2、MUC5AC及MUC6。特殊染色结果：阿辛蓝-过碘酸雪夫（AB-PAS）染色阳性。二代测序结果：例1 RAD51D p.Arg266Cys错义突变，例2 TSC1、SMAD4、PALB2、VEGFA、FGFR3错义突变，TP53无义突变，PTEN剪接位点变异，MYC拷贝数扩增。 结论： 胃AC是一种同时具有神经内分泌和腺上皮分化特征的罕见肿瘤，结合组织学形态、免疫表型、AB-PAS染色结果及基因变异特点有助于诊断。." @default.
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- W3208149725 date "2021-11-08" @default.
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- W3208149725 title "[Clinicopathological analysis of amphicrine carcinoma of the stomach]." @default.
- W3208149725 doi "https://doi.org/10.3760/cma.j.cn112151-20210415-00294" @default.
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