气管支气管树的粘液上皮癌是一种少见的气管支气管内肿瘤。仅占肺部原发恶性肿瘤的0.1％～0.2％,被认为是起源于沿气管支气管树分布的极少量的唾液腺。作者回顾分析了1990年1月～1997年9月经病理组织学证实的12例病人资料。男性5例,女性7例,年龄9～72岁。9例病人有临床症状,咳嗽6例,呼吸困难3例,咯血2例,胸痛2例,3例为偶然发现,无症状。根据肿瘤所在位置不同,可大致分为气管内、主支气管内、叶支气管内、段支气管内和亚 Mucosal epithelial carcinoma of the tracheobronchial tree is a rare tracheobronchial tumor. Accounting for only 0.1% to 0.2% of primary lung malignancies, is thought to originate from a very small number of salivary glands that are distributed along the tracheobronchial tree. The authors retrospectively analyzed 12 patients confirmed by histopathology from January 1990 to September 1997. 5 males and 7 females, aged 9 to 72 years old. Nine patients had clinical symptoms, 6 coughs, 3 dyspnea, 2 hemoptysis and 2 chest pains, and 3 were incidental and asymptomatic. According to the tumor location, can be divided into tracheal, the main bronchial, intrabronchial, intrabronchial and sub-bronchial