周围神经肿瘤常见于四肢,大多属良性,且往往是多发的。若无症状,毋需处理。对有疼痛、机能障碍或趋向恶性变者则需切除之。但生长在神经主干或重要分支上的肿瘤,切除后可引起神经功能障碍甚或肢体瘫痪;也有因术前诊断不明确,术中按一般肿块切除导致神经功能丧失,从而造成肢体病废,廿余年来几无 Peripheral nerve tumors are common in the limbs, most of them are benign, and often multiple. If no symptoms, no need to deal with. For pain, dysfunction or malignant change should be removed. However, the growth of tumors in the trunk of the nerve or an important branch of the excision can cause neurological dysfunction or even limb paralysis; also because of the diagnosis is not clear preoperative, intraoperative general lump resection resulting in loss of nerve function, resulting in limb disease and waste, more than 20 years How many days?