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jove.com
NMR Spectroscopy: Principle, NMR Active Nuclei, Applications
NMR Spectroscopy: Principle, NMR Active Nuclei, Applications
Oct 25, 2024
核磁共振成像
2:52
A) 什么是肛瘘 ?Anal Fistula (3) 肛瘘是一种常见的肛肠疾病,它主要由肛门部位的慢性感染引起,可能会导致肛门部位出现分泌物、疼痛,甚至出血等症状。这些症状与痔疮相似,但它们是两种不同的疾病。痔疮是肛门和直肠部位的静脉肿胀,而肛瘘则是由肛门腺发炎、堵塞和细菌感染引起的。有时,肛瘘源于肠道,通过肛管内口进入肛门。随着感染和堵塞的扩大,细菌会在附近形成受感染的组织和脓液。随着脓液的积累,它会逐渐穿过肌肉层,直到在肛管和肛门附近的表层皮肤之间形成一个连接腔,以便排出脓液,从而形成肛瘘。有时,肛瘘是肛周脓肿经手术引流的结果。 肛瘘可分为单纯性肛瘘和复杂性肛瘘。单纯性肛瘘的治疗相对简单,而复杂性肛瘘的治疗难度和复杂性则较大。肛瘘的治疗方式有多种,每种方式的成功率、复发几率和优缺点都不尽相同,医生会根据患者的具体情况选择最适合的手术治疗方法。 值得注意的是,肛瘘的发病率相当高,它可能发生在所有年龄和性别的患者身上。因此,如果出现肛瘘的症状,患者应及时就医,以免延误治疗,导致病情加重。同时,患者也应该知道,肛瘘是一种常见的疾病,没有必要因为感到尴尬而不敢就医。 B)肛瘘的原因 。。。
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