平滑肌母细胞瘤Leiomyoblastoma又称奇异性平滑肌瘤,上皮样平滑肌瘤。此瘤罕见,约占胃肌源性肿瘤的8.8%。本文作者报告在十年中遇到的3例临床病理资料。此瘤临床表现缺乏特异性。本文三例有两例出现上消化道大出血,一例以腹部肿块为主要症状。文献中亦强调上消化道出血和腹部肿块是本瘤两个主要临床表现。由于此瘤主要发生在胃壁肌层内,纤 Leiomyoblastoma, also known as singular leiomyoma, epithelioid leiomyoma. This tumor is rare, accounting for 8.8% of gastric myogenic tumors. The authors report three cases of clinical pathology encountered in ten years. The clinical manifestations of the lack of specificity of the tumor. Two cases of this article, there are two cases of upper gastrointestinal bleeding, a case of abdominal mass as the main symptom. The literature also emphasizes upper gastrointestinal bleeding and abdominal mass is the tumor of the two main clinical manifestations. Because this tumor occurs mainly in the stomach wall muscle, fiber