血管球瘤是血管周围球体细胞的肿瘤性增生,属于一种表型转化的特殊的平滑肌细胞,多数发生在软组织和肢体末端,发生在胃的血管球瘤很罕见。本研究对我院2002—2012年间诊治的5例胃血管球瘤进行了光镜、免疫组化染色,现结合文献对该肿瘤的临床病理特点及鉴别诊断进行讨论。1材料与方法1.1临床资料收集北京协和医院2002-01—2012-11间手术切除的胃血管球瘤5例,其中男性2 Glomerular tumor is a neoplastic hyperplasia of perivascular spheroid cells. It belongs to a kind of special smooth muscle cells that are phenotypically transformed. Most of them occur at the end of soft tissues and limbs. Glomerular tumors that occur in the stomach are rare. In this study, 5 cases of gastric glomus tumors diagnosed and treated in our hospital from 2002 to 2012 were subjected to light microscopy and immunohistochemical staining. The clinicopathological features and differential diagnosis of this tumor were discussed in the literature. 1Materials and methods 1.1 Clinical data collection Five cases of gastric glomus tumors were resected from 2002-01 to 2012-11 in Peking Union Medical College Hospital, including male 2.