渗出性中耳炎是一种日趋常见的疾病。由于本病的症状出现比较缓慢,易为患者疏忽,所以一般就诊都比较晚。加上本病常继发于急性上呼吸道感染或与鼻、鼻窦、鼻咽部慢性疾患共存,易为他症所掩盖,致使耽误治疗,如果拖延日久,则可能发生粘连性 Oozing otitis media is a more common disease. As the symptoms of the disease appear more slowly, prone to negligence patients, so the general treatment are relatively late. Coupled with the disease often secondary to acute upper respiratory tract infection or with nasal, sinus, nasopharyngeal chronic diseases coexist, easily covered by his disease, resulting in delayed treatment, if delayed for a long time, the adhesive may occur