We describe two patients with foregut cysts, produc-ing clinical symptoms simulating airway foreign bodies.On rigid bronchoscopic examina-tion, we found external compression of the left main bronchus.

• 本文提出2例婴幼儿疑似呼吸道异之病例，施行硬式支气管镜检查后，证实是左侧支气管外部压迫，经电脑断层检查诊断为纵膈腔肿瘤疑似前肠囊肿。