我院自1986年以来收治经病理证实为腱鞘巨细胞瘤者5例,现报告如下。临床资料:本组5例中,男1例,女4例,年龄10～47岁,平均27.4岁。病变部位,手指3例,肘、膝关节各1例。病期最短者6个月,最长10年。临床表现为局部肿块,多诉随肿块渐大才出现轻度疼痛、麻木感。功能受限。肿块边界清楚,大小不等,约9×6cm～1×1cm。X线检查显示肿块阴影,骨质无异常。5例均在手术切除肿块后经病理检查证实为腱鞘巨细胞瘤。术前3例误诊为腱鞘囊肿,1例误诊为腱鞘结核,另1例因有膝 Our hospital has treated 5 cases of pathologically confirmed giant cell tumors of tendon sheath since 1986. The report is as follows. Clinical data: In this group of 5 cases, 1 male and 4 female, aged 10 to 47 years old, an average of 27.4 years old. Lesions, 3 fingers, 1 case of elbow and knee respectively. The shortest period is 6 months, up to 10 years. The clinical manifestation was a local mass, with multiple complaints showing mild pain and numbness as the mass grew larger. Limited functionality. Masses are well-defined, ranging in size from about 9 x 6 cm to 1 x 1 cm. X-ray examination showed a shadow of the mass and no abnormality in bone quality. All 5 cases were confirmed by pathological examination as giant cell tumors of the tendon sheath after surgical removal of the tumor. 3 cases were misdiagnosed as ganglion cysts before surgery, 1 case was misdiagnosed as sputum tuberculosis, and 1 case had knee