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膀胱小细胞癌2例临床病理分析 被引量:2

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摘要 目的探讨膀胱小细胞癌的临床病理特点和生物学行为。方法对2例膀胱小细胞癌进行常规HE及免疫组化MaxVision两步法染色,并结合临床资料对其临床病理特征进行分析。结果 2例均为男性,年龄分别为74、78岁,首发症状均为间断性全程无痛肉眼血尿,所有切除肿瘤的组织学形态与肺小细胞癌相似,分别浸润膀胱肌层和外膜层。肿瘤细胞均表达神经内分泌标志物NSE、CgA、Syn和CD56,局部区域CK呈弱阳性表达。结论膀胱小细胞癌是一种膀胱比较少见的恶性肿瘤,有独特的病理形态,诊断时多已浸润肌层,易早期转移及预后不良。活检容易漏诊。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2012年第6期692-694,共3页 Chinese Journal of Clinical and Experimental Pathology
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