原发于胸部的恶性神经鞘膜瘤少见 ,我院 1979- 0 1/ 1999- 12间收治胸部恶性神经鞘膜瘤仅 11例 ,其中 7例发生于少见部位 (胸壁、肺、支气管和膈肌 ) ,均发生误诊。现作一回顾性分析。1　临床资料　　本组男 5例 ,女 2例 ,年龄 2 2岁～ 6 1岁 ,平均 44岁。临床首发症状 :无症状 Primary malignant tumor of the thoracic nerve sheath is rare, our hospital from 1979 to 1999/12 - 12 cases of thoracic malignant nerve sheath tumor only 11 cases, of which occurred in 7 rare cases (chest wall, lung, bronchial and diaphragm) Misdiagnosis occurred. Now make a retrospective analysis. 1 Clinical data The group of 5 males and 2 females, aged 2 2 to 6 1 years old, with an average of 44 years old. Clinical first symptom: asymptomatic