腱鞘巨细胞瘤又称腱鞘良性滑膜瘤,1994年,世界卫生组织(WTO)将这种肿瘤统一命名为腱鞘巨细胞瘤[1]。此病具有局部侵袭性,复发率高,偶可发生转移,属于交界性病变。起于小关节及腱鞘的滑膜层,常见于手与足部,Ignacio J.F.曾报道发生于手部的98例腱鞘巨细胞瘤,其中15例呈骨内生长[2],表现为慢性长大的 Tenoid sheath giant cell tumor, also known as tendon sheath benign synovial tumors, in 1994, the World Health Organization (WTO) will be named as a uniform tumor of the tendon giant cell tumor of the tendon [1]. The disease has local invasiveness, high recurrence rate, even can occur metastasis, are borderline lesions. The synovial membrane, which originates in the facet joints and the tendon sheath, is common in hands and feet. Ignacio JF reported 98 cases of tendonoid giant cell tumors occurring in the hand, of which 15 showed intraosseous growth [2], showing chronic growth of