| T1 WI SPIR增强MRI在肛瘘中的应用价值 |
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| 引用本文： | 杨烁慧,杨巍,朱琼,龚志刚,赵喜,谭文莉,詹松华. T1 WI SPIR增强MRI在肛瘘中的应用价值[J]. 临床放射学杂志, 2010, 29(1) |
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| 作者姓名： | 杨烁慧 杨巍 朱琼 龚志刚 赵喜 谭文莉 詹松华 |
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| 作者单位： | 1. 上海中医药大学附属曙光医院放射科,200021
2. 上海中医药大学附属曙光医院肛肠科,200021 |
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| 摘 要： | 目的通过T1WI频谱预饱和反转恢复序列(SPIR)钆增强MRI与其他常规MRI序列比较,评估增强T1WI SPIR MRI在使用肛肠水囊肛瘘患者中的临床应用价值。资料与方法16例经手术证实的肛瘘患者术前均行MRI检查,序列包括横断位T1WI、T2WI频谱选择性衰减反转恢复序列(SPAIR)和钆增强T1WI SPIR。检查前,均向患者肛管直肠内置入肛肠水囊以撑开肛管和直肠。评估和比较MRI各序列显示的瘘管、内口、瘘管分支及脓腔。结果MRI显示复杂性肛瘘11例,其中高位复杂性肛瘘6例,单纯性5例。对比增强T1WI SPIR MRI发现瘘管(100.0%)、内口(81.3%)、分支(81.3%)和脓腔(100.0%)的准确率较T1WI及T2WI SPAIR MRI为高。Kruskal-Wallis检验显示上述各序列对内口显示的差异有显著统计学意义(χ2=15.9,P=0.003)。对比增强T1WISPIR MRI显示内口最多。结论横断位钆增强T1WI SPIR序列在使用肛肠水囊后能提供患者瘘管更丰富的细节,提高肛瘘诊断的准确率。
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| 关 键 词： | 肛瘘 增强 磁共振成像 肛肠水囊 |
The Diagnostic Value of T1 W SPIR Enhanced MRI in Perianal Fistulas |
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| YANG Shuohui,YANG Wei,ZHU Qiong,et al.. The Diagnostic Value of T1 W SPIR Enhanced MRI in Perianal Fistulas[J]. Journal of Clinical Radiology, 2010, 29(1) |
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| Authors: | YANG Shuohui YANG Wei ZHU Qiong et al. |
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| Affiliation: | YANG Shuohui,YANG Wei,ZHU Qiong,et al.Department of Radiology,Department of Anus , Rectum,Shanghai Shuguang Hospital Affiliated with Shanghai University of T.C.M,Shanghai,200021,P.R.China |
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| Abstract: | Objective To compare the T1W SPIR gadolinium enhanced MR imaging with conventional MR sequences for assessing perianal fistulas patients using ano-rectal water plug,and to determine the value of MRI for diagnosis.Materials and Methods 16 patients of perianal fistulas confirmed by surgery underwent MR scans with the innovative self-adaptive ano-rectal water plug in order to dilate the anal canal and rectum.The MR sequences included T1WI,T2W SPAIR,and gadolinium-enhanced T1W SPIR.The number of fistulas,intern... |
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| Keywords: | Peiranal fistula Enhanced Magnetic resonance imaging Ano-rectal water plug |
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