观察者间的可变性,用于检测可疑的乳头结肠类克罗恩病,用磁共振肠胃学
Jacob Broder Brodersen1,2, Michael Dam Jensen1,2, Mathias Byriel2,3
1Department of Internal Medicine, Section of Gastroenterology, Esbjerg Hospital - University Hospital of Southern Denmark, Esbjerg, Denmark.
Acta radiologica (Stockholm, Sweden : 1987)
|March 9, 2026
概括
磁共振肠道学 (MRE) 显示适度至实质性的协议,以评估伊利欧结肠克罗恩病 (CD). 虽然对结肠评估的共识较低,但它可能反映了早期疾病检测,而不是观察者变异性.
科学领域:
- 胃肠病学 胃肠病学
- 放射学 放射学是一门学科.
- 医疗成像医学成像
背景情况:
- 磁共振肠道学 (MRE) 是可视化克罗恩病 (CD) 和其并发症的关键成像方式.
- 精确评估CD,特别是在大结肠区域,对于诊断和管理至关重要.
研究的目的:
- 评估放射科医生在使用MRE检测和评估乳头结肠类克罗恩病方面的观察者间协议.
- 为了比较高级放射科医生和在培训中的初级医生之间的协议水平.
主要方法:
- 对48名怀疑患有CD的患者的MRE扫描进行了后期分析.
- 两名高级放射科医生和两名初级医生独立评估了MRE的图像质量,CD存在和疾病严重程度,对临床数据视而不见.
- 观察者间的一致性是使用Kappa的CD检测统计数据和疾病严重程度得分的类内相关系数 (ICCs) 来量化.
主要成果:
- 对于CD检测的观察者间一致性是中度到实质性的,跨越大肠直肠 (κ=0.65),终端大肠直肠 (κ=0.77),大肠直肠 (κ=0.59).
- 与初级医生相比,高级放射科医生的同意率通常更高,尽管在统计学上并不显著.
- 疾病严重程度评分 (MaRIA和简化MaRIA) 的观察者间一致性不佳至中度 (ICC分别为0.51和0.46),高级放射科医生表现出更好的一致性.
结论:
- 在MRE中,观察者之间对于在早期疾病阶段对胆结直肠CD的评估达成了中度至实质性的共识.
- 结肠评估的较低一致性可能归因于检测早期疾病的挑战,而不是观察者变异性.
- 补充评估方法可能是必要的,以优化结肠参与CD的评估.
相关概念视频
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
555
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
555
Magnetic Resonance Imaging
10.1K
Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
10.1K


