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外周原始神经外胚叶瘤误诊分析

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摘要 目的探讨外周原始神经外胚叶瘤(pPNET)的病理诊断要点及误诊原因。方法收集11例外周原始神经外胚叶瘤,观察其组织学特点,并进行免疫组织化学分析。结果所有病例均未能明确诊断(省会诊中心会诊后确诊),组织学检查该肿瘤具有一定的形态学特点如大小一致的小圆形细胞,核圆,肿瘤细胞均表达CD99,并不同程度表达NSE、SYN、cgA。结论外周原始神经外胚叶瘤是一种很少见的肿瘤,病理特点缺乏特异性,仅靠组织形态很难明确诊断,结合免疫组织化学染色结果,可与其他肿瘤区别。
作者 宋艳芳
出处 《中国实用神经疾病杂志》 2007年第5期F0003-F0003,共1页 Chinese Journal of Practical Nervous Diseases
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