使用本地T1和T2映射对克罗恩病中活性炎症进行非对比磁共振输入学的定量评估
Daisuke Morimoto-Ishikawa1, Tomoko Hyodo2, Yoriaki Komeda3
1From the Radiology Center, Kindai University Hospital, Osaka.
Journal of computer assisted tomography
|August 15, 2024
概括
原生T1映射显示了作为评估克罗恩病 (CD) 活动的非侵入性工具的希望. 这种MRI技术可能比T2映射更有效地区分活跃和非活跃的疾病.
科学领域:
- 医疗成像医学成像
- 胃肠病学 胃肠病学
- 放射学 放射学是一门学科.
背景情况:
- 克罗恩氏病 (CD) 是一种慢性炎症性肠病.
- 准确评估疾病活动对于有效管理至关重要.
- 目前评估CD活动的方法可能是侵入性的或有限的.
研究的目的:
- 评估使用磁共振成像 (MRI) 绘制原生T1和T2映射的有效性,以评估克罗恩病患者的肠道炎症.
- 为了比较T1和T2映射与内镜的实用性,建立了参考标准.
主要方法:
- 一项涉及27名克罗恩病患者的前性研究.
- 使用1.5T核磁共振扫描仪对肠道进行单次呼吸暂停原生T1和T2映射.
- 对MRI测量结果与部分简单内镜评分 (pSES-CD) 进行比较,评分为4或更高,表明患有活跃疾病.
主要成果:
- 与非活性CD相比,活性CD患者的原生T1值显著更高 (1170.8毫秒与924.5毫秒相比,P=0.018).
- 活跃和非活跃疾病之间的T2值没有显著差异 (76.1 ms与69.3 ms,P=0.424).
- 原生T1值与pSES-CD (ρ=0.71,P<0.001) 有很好的相关性,而T2值没有 (ρ=0.06,P=0.790).
- 区分疾病活动的ROC曲线下的面积为T1映射的0.96和T2映射的0.68.
结论:
- 原生T1映射是一种潜在的有价值的非侵入性方法,用于区分克罗恩病中的疾病活性.
- 原生T1映射似乎优于T2映射,用于评估CD中的疾病活性.
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