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慢性鼻窦炎,没有细菌感染,大量“脓”鼻涕哪儿来的?
鼻窦炎的鼻涕通常是多且粘稠。一方面“分泌增多”,另外一方面“引流不畅”。分泌增多原因之一是黏膜物理屏障破坏(连接上皮细胞的紧密连接蛋白表达下调或功能异常);引流不畅原因之一是黏液纤毛清除功能障碍。
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