急性喉梗阻可由于喉的急性炎症、喉外伤、喉水肿、喉肿瘤、声带麻痹等多种病因引起,使喉腔发生急性阻塞或缩窄,出现吸气性呼吸困难甚至窒息。根据症状体征,对喉梗阻不难作出诊断,但查明喉梗阻的病因有时很难。而声门下总气管肿瘤引起的喉梗阻往往易被漏诊、误诊,我科近2年收治 Acute laryngeal obstruction may be due to the acute inflammation of the larynx, laryngeal trauma, laryngeal edema, laryngeal cancer, vocal cord paralysis caused by a variety of causes, the throat acute obstruction or narrowing, aspiration of breathing difficulties or even suffocation. According to the symptoms and signs of laryngeal obstruction is not difficult to make a diagnosis, but to identify the cause of laryngeal obstruction is sometimes difficult. The subglottic bronchial tumors caused by laryngeal obstruction is often easy to be missed diagnosis, misdiagnosis, my department nearly 2 years treatment