与对比度增强CT相比,非增强缩短MRI作为结直肠肝转移的定期监测协议:一项前性观察性研究
Jingjing Liu1,2,3, Lechi Ye4, Gengyun Miao1,2
1Department of Radiology, Zhongshan Hospital, Fudan University, Shanghai, China.
International journal of surgery (London, England)
|January 29, 2025
概括
非增强缩短MRI (NE-AMRI) 显示在检测大肠直肠癌 (CRC) 患者的肝转移后手术后的性能优于对比增强CT (CE-CT). NE-AMRI提供了更高的准确性,避免了辐射暴露,有助于个性化的患者管理.
科学领域:
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
- 医疗成像医学成像
背景情况:
- 非侵入性放射性监测对于在手术后控制结直肠癌 (CRC) 患者的肝转移至关重要.
- 选择正确的成像方法会影响患者的预后和临床决策.
研究的目的:
- 为了前性地比较对比增强CT (CE-CT) 和非增强缩短MRI (NE-AMRI) 的诊断性能,用于II-III阶段CRC患者的肝转移监测.
- 评估NE-AMRI作为改善肝转移检测和患者结局的潜在工具.
主要方法:
- 587名CRC患者接受了CE-CT和对比度增强MRI (CE-MRI) 的连续监测,每隔6个月.
- 从CE-MRI中提取NE-AMRI图像,对CE-CT进行对对分析.
- 在CE-CT和NE-AMRI之间进行了诊断性能指标 (灵敏度,特异性,AUC) 的比较,包括对小病变 (≤10毫米) 的子组分析.
主要成果:
- 在所有监测轮中,NE-AMRI表现出明显高于CE-CT的基于病变的检测率 (P < 0.001到P = 0.003).
- 在检测小病变 (≤10毫米) 方面,NE-AMRI的表现优于CE-CT,并且显示出优异的基于患者的灵敏度,特异性和AUC (P = 0.009到P = 0.045).
- 患者的BMI和脂肪肝疾病影响了CE-CT准确度,但没有影响NE-AMRI准确度.
结论:
- NE-AMRI是术后CRC患者肝转移的定期监测的一个有希望的工具,提高了诊断的准确性.
- NE-AMRI可以支持个性化的临床管理,改善预后,同时避免与电离辐射和对比剂相关的风险.
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