自Enzinger 于1970年命名以来,至今仅有134例报告。本文报告两例,并讨论了病理、临床特点。本病病程缓慢,预后取决于是否侵犯血管有无转移。多数学者认为肿组织来自间叶组织的滑膜母细胞、组织细胞或纤维母细胞。病理组织学检查有:肿瘤细胞呈 Since Enzinger was named in 1970, there are only 134 reports so far. This article reports two cases and discusses the pathological and clinical features. The slow course of the disease, the prognosis depends on whether the invasion of blood vessels with or without metastasis. Most scholars believe that swollen tissue from mesenchymal synovial blast cells, tissue cells or fibroblasts. Histopathological examination: tumor cells were