腱鞘巨细胞瘤为手部常见软组织良性肿瘤之一,多发于手指近节腱鞘或者滑膜,少数情况下也可以发生于非滑膜部位。瘤体大小形状不等,质韧,无痛感或压痛,有时可妨碍局部的功能,其具有明显的病理学特征——吞噬脂质的泡沫细胞〔1〕。我科收治1例鼻根部肿物患者,术后经病理证实为腱鞘 Tenosynovial giant cell tumor is one of the most common soft tissue benign tumors in the hand and occurs frequently in the proximal tendon sheath or synovium of the fingers. In a few cases, it can also occur in non-synovial parts. Tumor size range, quality and toughness, painless or tenderness, and sometimes can hinder the local function, which has obvious pathological features - phagocytic lipid foam cells 〔1〕. We treated 1 case of nasal root mass in patients with postoperative pathological confirmed as tendon sheath