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MRI of anal canal: common anal and perianal disorders beyond fistulas: Part 2

机译:肛门运河MRI:超越Fistulas的常见肛门和肛周障碍:第2部分

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摘要

A broad spectrum of disease, from benign processes to life-threatening pathologies, can cause anal pain. MR imaging (MRI) has become increasingly widely used method over the past two decades for the evaluation of individuals with anorectal symptoms. Although imaging is rarely necessary to determine the etiology of the majority of cases, MRI is particularly useful as a noninvasive method of excluding severe neoplastic conditions. In this article, MRI findings of a number of pathologies such as anal and perianal neoplasms, hemorrhoidal disease, arteriovenous malformation of the perianal region, and anal sphincter lesions (defects, scarring, atrophy) which may lead to fecal incontinence are presented.
机译:广泛的疾病,从良性过程到危及生命的病理,会导致肛门疼痛。 在过去的二十年中,MR成像(MRI)已经越来越广泛地使用了肛门症状的个体的患者。 尽管成像很少需要确定大多数情况的病因,但MRI特别有用作为排除严重肿瘤条件的非侵入性方法。 在本文中,提出了许多病理学的MRI调查结果,如肛门和肛周肿瘤,痔疮疾病,肛周区域的动脉畸形,以及可能导致粪便尿失禁的肛门括约肌病变(缺陷,瘢痕,萎缩)。

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