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慢性鼻窦炎的早期征象

来源:华人健康网 | 发布时间:2012-04-26 02:15:20 | www.chinesejk.com
人的头部连通于鼻腔,为了减轻头部重量,并起到换气与共鸣功能,发育出四对鼻窦,分别名为额窦,筛窦、上颌窦和蝶窦。鼻窦黏膜发炎即为鼻窦炎,而鼻窦的黏膜是与鼻腔相延续的,所以也是常见病。
①上颌窦容量较大,在鼻腔的开口位置又高,最易发炎,而在它后上部的筛窦呈蜂窝状群,亦易患病。额窦炎、蝶窦炎的发病串稍低,但亦有全鼻窦都发炎的。
②炎症可继发于鼻炎。也可由上颌窦底的齿槽炎波及。急性发作起来症状较重,和急性鼻炎有些像,但以分泌物多为主,可为粘性和脓性,鼻塞居次,伴有头昏、头疼、局部痛。慢性鼻窦炎则有长期大量黏液脓性分泌物排出,少量时也可吸自口腔吐出。除头胀闷外,因影响注意力常可表现记忆力减退。筛窦炎因嗅神经分布区受累,常可伴嗅觉减退。
③鼻窦炎不仅影响局部,而且因长期蓄脓,脓毒影响如慢及屑围骨质还可引起眼球及眶内球后甚至脑膜、脑实质的严重并发症或也像扁桃体一样成为病灶,引起心、肾、节的合并症

(编辑:阳阳 )

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