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磁共振成像在肛门直肠瘘诊断中的应用价值 被引量:9

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摘要 目的:探讨磁共振成像(MRI)在肛门直肠瘘(肛瘘)诊断中的应用价值。方法:收集53例经手术病理证实为肛瘘的患者,术前均进行多方位、多序列MRI平扫及增强扫描检查,将MRI检查结果与手术病理结果相对照。结果:53例肛瘘中,术前MRI检查共发现原发主瘘管57条,继发分支瘘管32条,内口61个,外口60个,肛周脓肿23个。按Morris分类方法,53例肛瘘中,Ⅰ级肛瘘15例,Ⅱ级肛瘘9例,Ⅲ级肛瘘10例,Ⅳ级肛瘘14例,Ⅴ级肛瘘5例。与手术病理结果比较,MRI对原发主瘘管、继发分支瘘管、内口、外口、肛周脓肿显示的灵敏度分别为96.6%(56/58)、90.9%(30/33)、92.2%(59/64)、98.4%(60/61)、100%(23/23),阳性预测值分别为98.2%(56/57)、93.8%(30/32)、96.7%(59/61)、100%(60/60)、100%(23/23)。结论:MRI可准确显示肛瘘的数目、位置、走行、支管、内口、脓肿和瘘管与肛管直肠括约肌复合体之间的关系并能对肛瘘准确分级,为外科手术治疗和评估预后提供重要的指导信息。
出处 《实用医学杂志》 CAS 北大核心 2014年第21期3478-3480,共3页 The Journal of Practical Medicine
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二级参考文献9

共引文献17

同被引文献64

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