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胆囊小细胞癌2例并文献复习 被引量:1

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摘要 目的探讨胆囊小细胞癌的临床病理学特征、诊断、鉴别诊断及预后。方法对2例胆囊小细胞癌的临床、病理形态学、免疫表型、分子病理、治疗及预后进行分析,并复习相关文献。结果2例均为男性,术中均发现癌组织已侵犯周围器官,镜下见细胞形态相似,正常胆囊上皮下瘤细胞呈片、巢、索和花环状排列,局灶区见菊形团样结构,伴广泛坏死,瘤细胞核圆形或卵圆形,深染,核仁不明显,核分裂象易见。免疫表型:CKpan(核旁+),CD56、TTF-1(+),CgA(例1+、例2-),Syn、S-100、CD45均(-),Ki-67增殖指数40%~50%。分子病理学:2例K—ras基因突变检测均未检出突变。结论胆囊小细胞癌属于罕见的高侵袭性恶性肿瘤,具有与肺内小细胞癌相似的形态学及免疫表型对诊断具有重要价值。患者预后差,联合手术和化疗可提高生存期。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2014年第1期79-81,共3页 Chinese Journal of Clinical and Experimental Pathology
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参考文献14

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