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甲状腺显示胸腺样分化的癌4例临床病理分析

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摘要 目的探讨甲状腺显示胸腺样分化的癌(carcinoma showing thymus-like differentiation,CASTLE)的临床病理学特征、诊断及鉴别诊断、治疗及预后。方法回顾性分析4例CASTLE的临床病理学特征、免疫表型、EBER原位杂交检测及BRAF V600E突变检测,对患者进行随访,并复习相关文献。结果4例肿物均发生于甲状腺右叶,主要位于右叶下极,肿瘤呈浸润性生长,呈大小不等的岛状、巢状、条索状分布,被增生的纤维结缔组织分割,可见增生的血管穿梭其中,肿瘤细胞巢及间质中常见不等量的小淋巴细胞及浆细胞浸润。免疫表型:肿瘤细胞表达CD5、CD117、CKpan、BCL-2,不表达CT、TTF-1和CK19,Ki-67增殖指数10%~30%。间质内淋巴细胞表达CD20及CD3。EBER原位杂交检测呈阴性,且无BRAF V600E突变。结论CASTLE是一种罕见的甲状腺恶性肿瘤,独特的形态学特点和免疫表型有助于诊断和鉴别诊断,预后相对较好,认识其特征有利于临床治疗及判断预后。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2020年第9期1082-1084,共3页 Chinese Journal of Clinical and Experimental Pathology
基金 甘肃省卫生行业科研计划管理项目(GWGL2014-08)。
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