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磁共振成像在多肌痛风湿症-对比度增强并不总是需要的
Martin Fruth1, Annika Seggewiss2, Jessica Kozik2
1Evidia Radiologie am Rheumazentrum Ruhrgebiet, Claudiusstr. 45, 44649, Herne, Germany. martin.fruth@evidia.de.
Zeitschrift fur Rheumatologie
|August 11, 2023
概括
与对比度增强的MRI在检测多肌痛类风湿性 (PMR) 炎症方面优越. 虽然T2w TIRM (轮反转恢复大小) 检测到许多病例,但对比度增强的T1w成像为诊断PMR提供了更高的灵敏度和特异性.
科学领域:
- 类风湿病学 类风湿病学
- 放射学 放射学是一门学科.
- 医疗成像医学成像
背景情况:
- 肠道部位的囊外炎症是诊断多发性肌痛性风湿症 (PMR) 的关键MRI发现.
- 对比增强与非对比的MRI序列用于检测这种炎症的诊断效用仍然不清楚.
研究的目的:
- 为了比较T2w TIRM (轮反转恢复大小) 成像与脂肪和增强对比度 (ce) T1w成像的性能.
- 评估它们在检测PMR患者预定义的骨盆部位外囊炎炎症的有效性.
主要方法:
- 120个盆腔MRI的回顾性分析 (40名PMR患者,80名对照).
- 三位失明的放射科医生用两种MRI技术对19个盆腔结构进行了炎症评分.
- 统计分析的内部和内部的可靠性和诊断性能.
主要成果:
- 与T2w TIRM相比,对比增强的T1w成像检测到PMR患者的炎症部位比T2w TIRM多20.7%.
- 在对比度增强的T1w成像中,读者间和读者内部的可靠性优于对比度增强的T1w成像.
- 对于PMR诊断的敏感性和特异性分别为ceT1w的100%和97.1%,与T2w TIRM的80.8%和93.3%相比.
结论:
- 对比度增强显著改善了在PMR中检测额外囊炎的检测.
- 虽然T2w TIRM可以识别许多PMR病例,但对比度增强的MRI是全面诊断的优越成像方式.
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