1. Pharyngocele is a rare condition in which there is an abnormal outpouching of the pharyngeal wall.
咽囊肿是一种罕见的疾病，咽壁呈异常膨出。

2. Surgery may be necessary to repair a large pharyngocele that is causing symptoms.
如果咽囊肿较大，并引起症状，可能需要进行手术修复。