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胃神经鞘瘤5例临床病理分析 被引量:2

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摘要 目的 分析胃神经鞘瘤的临床病理、免疫表型特征、鉴别诊断及预后。方法 收集5例胃神经鞘瘤患者,对其临床资料、影像学特征、组织学形态、免疫表型特点、鉴别诊断及随访结果进行分析,并结合相关文献进行讨论。结果 术前影像学检查4例误诊为胃肠道间质瘤,1例误诊为胃周淋巴结。镜下肿瘤界限清楚,2例肿瘤周围可见淋巴细胞套伴生发中心形成,组织学表现为特征性的微小梁状结构,主要由形态温和的纤细或肥胖的梭形细胞组成,胞质淡嗜伊红,局部细胞核可见非典型性,核仁不明显,核分裂罕见。间质可见黏液变性伴慢性炎细胞浸润。免疫组化染色5例肿瘤细胞均弥漫表达S-100蛋白和GFAP,1例局灶表达CD34,所有病例均不表达CD117、DOG1、HMB45、结蛋白和平滑肌肌动蛋白。5例患者随访9~36个月,其中1例死于胃癌,其余4例均未见肿瘤复发或转移。结论 胃神经鞘瘤是一种少见的惰性肿瘤,临床表现及影像学特征无特异性,术前很难明确肿瘤性质,组织形态学观察结合免疫表型分析是确诊本病最有效的方法。
出处 《现代实用医学》 2015年第10期1368-1370,共3页 Modern Practical Medicine
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参考文献11

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同被引文献31

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