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胃血管球瘤6例临床病理分析 被引量:3

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摘要 目的探讨胃血管球瘤(gastric glomus tumor,GGT)的临床病理学特征、诊断及鉴别诊断。方法收集6例GGT临床资料,采用HE、免疫组化EnVision两步法染色,分析其临床病理学特征、免疫表型、预后等,并复习相关文献。结果6例GGT男女性各3例,年龄34~60岁,中位年龄53.5岁,平均49.33岁。临床表现:5例GGT为无放射性腹痛、腹胀,1例纳差。胃镜:黏膜隆起,表面发红。眼观:瘤体呈结节状,最大径0.8~2.0 cm不等,平均1.5 cm,切面实性。镜检:5例GGT侵及肌层,1例主要位于黏膜下层,侵及黏膜固有层,伴黏膜表面糜烂及肉芽组织形成,肿瘤富血管,与周围界不清,多无明显包膜,部分病例肿瘤可呈多结节状分布;瘤细胞较小,形态一致温和,呈圆形、卵圆形或多边形,胞质中等量,透明或淡嗜伊红色,核圆形居中,染色质细腻,核仁不明显,未见坏死,围绕血管呈巢、团状排列,部分血管呈扩张状态,1例局部见小灶钙化,4例间质透明变性及黏液变性,1例见神经侵犯,未见脉管瘤栓。免疫表型:瘤细胞弥漫表达vimentin、Calponin及SMA,Ki-67增殖指数0~7%,患者术后均未行放、化疗。6例随访6~126个月,患者均存活、未见复发。结论GGT是胃少见的间叶源性肿瘤,生物学行为良性,局部手术完整切除即可治愈,预后良好;需与胃肠道间质瘤、神经鞘瘤、平滑肌瘤等进行鉴别。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2022年第2期216-218,共3页 Chinese Journal of Clinical and Experimental Pathology
基金 江苏省自然科学基金青年基金(BK20200201)。
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