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首页> 外文期刊>Clinical imaging >Comparison of T2-weighted imaging, diffusion-weighted imaging and contrast-enhanced T1-weighted MR imaging for evaluating perianal fistulas
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Comparison of T2-weighted imaging, diffusion-weighted imaging and contrast-enhanced T1-weighted MR imaging for evaluating perianal fistulas

机译：T2加权成像，扩散加权成像和对比度增强的T1加权MR成像进行评估，用于评估Perianal Fistulas

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Abstract Purpose To compare the lesion conspicuity and diagnostic performance of three imaging data sets (T2WI, combined T2WI and DWI [combined DWI], contrast-enhanced (CE)-T1WI) in assessing perianal fistulas. Methods Two radiologists with 7 and 15 years of experience assessed 28 fistulas from 24 patients in each image set. Results The lesion conspicuity was improved for only one reader after reading the combined DWI ( P = 0.0039) and CE-T1WI ( P = 0.0215). The accuracy was stationary for fistula type (reader 1, all 93%; reader 2, all 89%) or for direction of internal opening (96% for all sets; 92% for CE-T1WI). Conclusion Although combined DWI and CE-T1WI might improve fistula conspicuity, they showed comparable diagnostic performance to T2WI. Highlights ? Precise radiological information for appropriate surgical treatment is important to decrease recurrence of perianal fistulas. ? Our results showed that DWI and CE-T1WI might improve fistula conspicuity in assessing perianal fistulas. ? Our results showed that DWI and CE-T1WI showed comparable diagnostic performance to T2WI in assessing perianal fistulas.
机译：摘要目的，用于比较三个成像数据集（T2WI，组合T2WI和DWI [组合DWI]，对比度增强（CE）-T1WI）评估Perianal Fistulas的诊断性能。方法两位辐射学家7和15年经验评估了每种图像集中24名患者的28名瘘管。结果在读取组合DWI（P = 0.0039）和CE-T1WI（P = 0.0215）后，仅在读取器中仅改善病变链接性。瘘管型精度（读卡器1，全部93％;读者2，全部89％）或内部开口方向（所有集合为96％; CE-T1WI的92％）。结论虽然组合DWI和CE-T1WI可能会改善瘘管链接性，但它们对T2WI表现出可比的诊断性能。强调 ？适当的外科治疗的精确放射信息对于降低肛周瘘的复发是重要的。还我们的研究结果表明，DWI和CE-T1WI可能会改善评估围岩瘘管的瘘管吊索。还我们的研究结果表明，DWI和CE-T1WI对T2WI进行了相当的诊断性能，在评估肛周瘘管中。

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