肺内平滑肌瘤占肺内良性肿瘤的２％［１］，而肺血管平滑肌瘤更属罕见。我们曾遇１例并经手术及病理证实，现报告如下：病人　男性，３４岁。７年前不明原因出现咳嗽，偶伴少许白色泡沫痰，先后中西药治疗无效并多次胸透提示“双肺正常”。近半年来咳嗽加重，入院前２周痰中带 Intrapulmonary leiomyoma accounts for 2% of lung benign tumors [1], and pulmonary vascular leiomyomas are even rarer. We had one case and confirmed by surgery and pathology. The report is as follows: Patient Male, 34 years old. Unexplained coughing occurred seven years ago, with occasional white foam blemishes. Chinese and Western medicines have failed to cure and multiple chest thoraxes suggest “normal lungs.” Cough increased in the past six months, 2 weeks before admission