原发性肺平滑肌肉瘤相当罕见,现将我们遇到的1例报告如下。患者,女,18岁。发热伴咳嗽、咳痰一个月,近来痰中带血丝于1988年7月17日入院。体检:体温38.3℃,全身浅表淋巴结不肿大。右肺下部叩诊稍浊,语颤增强,呼吸音低。肝肋下1cm,剑下2cm。血常 Primary pulmonary leiomyosarcoma is quite rare. We have now reported one case as follows. Patient, female, 18 years old. Fever with cough, sputum for one month, blood stained sputum was admitted to hospital on July 17, 1988. Physical examination: body temperature 38.3 °C, the body is not enlarged superficial lymph nodes. The right lower lung is slightly turbid, with increased vocalization and low breath sounds. Liver ribs 1cm, 2cm under the sword. Blood often