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在喉室顶部的前中1/3处,有一个开口于喉室的盲袋,称为喉小囊。被之以复层上皮,含有粘液腺。其大小因人而异,向上可高达甲状软骨上缘,少数甚至突出到甲状舌骨膜附近。若喉内压力增高或囊口发生阻塞则会形成喉囊肿,囊肿内容物可以是气体,粘液或脓液。根据囊肿的部位不同可分为喉内,喉外和混合三型、其中以喉内型占多数。诊断喉外型囊肿时需与颈部其它包块相鉴别。治疗时不管是喉内型或混合型,经喉内途径包括喉裂开在内,效果均不佳,因而目前多主张经颈部径路完成该手术。
In the top of the throat at the top 1/3, there is a blind bag opening in the throat chamber, called the laryngeal sac. Stratified by the epithelium, with mucus gland. Its size varies from person to person, upward up to the upper edge of thyroid cartilage, a few even to the thyroid periderm nearby. If the pressure in the throat or occlusion of the sac mouth will form a laryngeal cyst, cyst content can be gas, mucus or pus. According to the different parts of the cyst can be divided into throat, throat and mixed three types, of which the majority of the laryngeal type. The diagnosis of extra-laryngeal cysts need to differentiate from other mass in the neck. Treatment of either laryngeal or mixed type, the throat, including laryngeal approach, the results are not good, so currently advocated by the neck path to complete the operation.