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导致慢性阑尾炎的原因有哪些
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  • 2014-11-26

慢性阑尾炎是一种常见外科疾病,会严重影响患者工作与生活,人们因常常不重视导致慢性阑尾炎发生的原因,而使此病发病率不断增加。那导致慢性阑尾炎的原因有哪些呢?下面就让广东广东祈福医院专家为大家来解答此问题。


发病原因

慢性阑尾炎可分为原发性慢性阑尾炎与继发性慢性阑尾炎,以下即为慢性阑尾炎的发病原因。

(1)原发慢性阑尾炎:其特点之一为起病隐匿,症状发展缓慢,病程持续较长,几个月到几年不等。病初无急性发作史,病程中也无反复急性发作的现象。

(2)继发慢性阑尾炎:特点是首次急性阑尾炎发病后,经非手术治疗而愈或自行缓解,其后遗留有临床症状,久治不愈,病程中可再次或多次急性发作。


发病机制

虽然有人认为阑尾慢性炎症的病理有时不易肯定,但多数仍有较明确的改变。阑尾壁增生肥厚,呈纤维化和粗短坚韧,表面灰白色,阑尾系膜增厚、缩短和变硬,黏膜或浆膜下有血管周围淋巴细胞和嗜伊红细胞浸润,有的还可见到异物巨细胞存在。有时阑尾壁纤维化而致管腔狭窄,甚至闭塞成一索条与阑尾老化萎缩相似。狭窄和闭塞起自阑尾尖端向根部蔓延,如仅根部闭塞,远端管腔内可充盈黏液,形成黏液囊肿。阑尾慢性炎症后可以自行卷曲,或周围为大量纤维粘连所包围,管腔内存有粪石或其他异物。


以上就是广东广东祈福医院的专业介绍,相信您现在对此问题也一定有所了解了。如您还有疑问,可向在线专家详细咨询了解,专家会悉心为您解答所有困惑。祝您健康!


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