原发肺恶性纤维组织细胞瘤少见 ,好发于成人。自Ｋｅｒｎ等 1997年首次报道以来陆续有零星个案报道 ,近几年略有增多。我院胸科 1990～ 1998年共收治 7例 ,结合文献报告如下。1　临床资料7例中男性 5例 ,女性 2例。年龄为 58～ 68岁 ,中位年龄 60岁。症状表现为咳嗽、血痰、发 Primary lung malignant fibrous histiocytoma rare, occurs in adults. Since Kern et al first reported in 1997, there have been some sporadic cases reported, a slight increase in recent years. Thoracotomy in our hospital from 1990 to 1998 were treated in 7 cases, combined with the literature as follows. 1 clinical data in 7 cases, 5 males and 2 females. Age 58 to 68 years old, the median age of 60 years. Symptoms of cough, bloody sputum, hair