在T2加权前列腺MRI中评估运动器件:抗药物的影响,膀体积和直肠体积
K C Rosenkilde1, K Høglund1, V Løgager2
1Department of Technology, Faculty of Health and Technology, University College Copenhagen, Sigurdsgade 26, Copenhagen, Denmark.
Radiography (London, England : 1995)
|November 21, 2025
概括
抗药和膀体积不会显著影响T2W前列腺MRI中的运动器件. 然而,直肠体积增加与更多的运动器件有关,这表明需要重新考虑常规抗药的使用.
科学领域:
- 放射学 放射学是一门学科.
- 医疗成像医学成像
- 在瘤学瘤学.
背景情况:
- 前列腺癌是西方国家的常见诊断,MRI在检测中起着至关重要的作用.
- 在T2加权 (T2W) 前列腺MRI中的运动器件,由直肠周平静或膀填充引起,可以降低诊断的准确性.
- 抗药在缓解这些事物的有效性是不确定的.
研究的目的:
- 为了研究抗药,膀体积和直肠体积对T2W前列腺MRI运动器件的影响.
- 根据这些因素,评估T2W图像的诊断质量.
主要方法:
- 前列腺MRI扫描的回顾性分析 (没有抗药的双参数MRI与带有抗药的多参数MRI).
- 两名观察员使用3分利克尔特尺度 (PI-QUAL v2标准) 评估了T2W图像的运动工件.
- 统计分析包括曼-惠特尼U测试,逻辑回归,科恩的卡帕和类内相关系数 (ICC).
主要成果:
- 在MRI组之间,运动工件得分没有显著差异 (p > 0.05).
- 膀体积与运动器件没有显著的关联 (p > 0.05).
- 更大的直肠体积显著与增加的运动器件相关 (OR 1.023,p = 0.02).
- 观察到实质性的观察者间可靠性 (k=0.66) 和中等至优异的观察者内部可靠性 (k=0.58-0.83).
结论:
- 在T2W前列腺MRI中,施用抗药物 (葡萄糖素,素-丁胺) 和膀体积并没有显著影响前列腺运动器件.
- 增加的直肠体积是运动工件的重要预测因素.
- 常规使用抗药和膀排空方案可能需要重新评估,以改善患者的体验和工作流程,而不会影响诊断质量.
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