胃的非上皮肿瘤中,恶性淋巴瘤最常见,其次是平滑肌肿瘤、神经纤维或神经鞘膜肿瘤、横纹肌肿瘤等。随着病理学研究的深入,特别是免疫组化和电子显微镜的应用,发现原来被称为平滑肌肿瘤的病例,很多都缺乏免疫组化或超微结构方面的相应特征,先前那种分类和命名,显然不够科学和严谨 Non-epithelial gastric tumors, the most common malignant lymphoma, followed by smooth muscle tumors, nerve fibers or nerve sheath tumors, striated tumors. With the deepening of pathological research, especially the application of immunohistochemistry and electron microscopy, found that the original cases of tumors known as smooth muscle tumors, many lack the corresponding characteristics of immunohistochemistry or ultrastructure, the previous classification and naming Obviously not enough science and rigor