畸胎瘤肺内生长临床少见，由其引起大咯血更为少见。我院1992年2月收治一例，经手术切除受累右肺上叶，止血成功，现报告如下。临床资料：林某，女，Zo岁，工人。反复咳嗽，发烧、胸痛四个月余，十多天前又因“感冒”加重，并咯血友多次，有二次分别约200毫升和500毫升。因病情 Teratoma is rare in lung growth, and it is less common to cause massive hemoptysis. In our hospital in February 1992, one case was treated and the affected right upper lobe was surgically resected. The hemostasis was successful. The report is as follows. Clinical data: Lin, female, Zo, worker. Repeated coughing, fever, chest pain more than four months, more than ten days ago due to “cold” aggravated, and hemoptysis many times, there are two times about 200 ml and 500 ml. Due to illness