四肢软组织神经鞘瘤和神经纤维瘤为两种常见良性神经源性肿瘤,约占良性肿瘤的5%。多起源于肢体屈侧较大神经干,如上肢的正中神经、尺神经,下肢的股神经、腓神经等。临床上常可扪及与神经干位置相一致的梭形、橄榄形肿块,质硬韧,边缘清楚,可活动。 Soft tissue schwannoma and neurofibroma are two common benign neurogenic tumors, accounting for about 5% of benign tumors. More originated in the limb flexor greater trunk, such as the upper extremity of the median nerve, ulnar nerve, lower extremity nerve, peroneal nerve. Clinically palpable and consistent with the location of the neural stem fusiform, olive-shaped mass, hard and tough, clear edges, can be mobile.