肺内子宫内膜异位症临床少见,现将我院诊治的4例总结如下。例1:30岁。逢经期咯血已4年。首次出现于孕3月人工流产后第4月,每次月经期咯血量<200ml,伴轻咳及胸痛,月经过后症状消失,曾在当地误诊为支气管扩张。胸部 CT 未见异常。纤支镜见左总支气管有血迹。给予丹那唑人工绝经后未再咯血,停药后逢经期仍有少量咯血,因量少未再治疗。 Pulmonary endometriosis clinical rare, now our hospital diagnosis and treatment of 4 cases are summarized as follows. Example 1:30 years old. Every menstrual hemoptysis has 4 years. For the first time in pregnancy in March after 4 months of induced abortion, each menstrual period, hemoptysis <200ml, with light cough and chest pain, symptoms disappear after menstruation, had been misdiagnosed as bronchiectasis. Chest CT no abnormalities. Bronchoscopy see the left total bronchus blood. Danazol was given after artificial menopause no longer hemoptysis, menstrual period after stopping there is still a small amount of hemoptysis, because the amount of less no treatment.