Abstract
目的: 探讨宫颈微偏腺癌(minimal deviation adenocarcinoma of cervix,MDA)伴卵巢转移临床病理特征。 方法: 收集四川省肿瘤医院2014年1月至2019年12月确诊MDA 6例伴卵巢转移5例,总结其临床病理特点及HER2表达状况,并结合文献复习。 结果: 6例患者年龄33~71岁,中位年龄51岁,首发症状多为阴道不规则流血/流液,宫颈病灶镜下示分化良好管状、分支状腺体在间质浸润性生长,免疫表型p16、雌激素受体(ER)、孕激素受体(PR)阴性(5/5)、p53突变型表达(5/5)以及细胞角蛋白(CK)7、碳酸酐酶Ⅸ(CAⅨ)阳性(5/5),黏液蛋白6(MUC6)多数阳性(4/5),CK20多数阴性(4/5)。5例MDA HER2免疫表型示:2例阴性,2例1+,1例2+,但染色2+者FISH检测示HER2无扩增。卵巢转移灶镜下示囊性/囊实性改变,被覆单层柱状上皮、形态温和,类似于卵巢黏液性囊腺瘤形态,免疫表型CK7、MUC6阳性(5/5),CAⅨ阳性(4/4), p16阴性(5/5),p53突变型表达(5/5),CK20多为阴性(4/5)。 结论: MDA是一种分化极好且罕见的非HPV相关性腺癌,辅以相应免疫标记可有助于诊断;MDA转移至卵巢,形态良善,须与卵巢黏液性囊腺瘤鉴别。部分MDA显示HER2蛋白表达,是否具有靶向治疗价值,需扩大样本进一步研究。.
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More From: Zhonghua bing li xue za zhi = Chinese journal of pathology
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