尿道壁厚度测量在尿病的病理学和放射学评估
S O'Meara1,2,3, P Rohan4, O Cullivan5,6
1Strategic Academic Recruitment (StAR) Programme, Royal College of Surgeons in Ireland (RCSI), Dublin, Ireland. sorchaomeara@rcsi.ie.
Urolithiasis
|November 1, 2025
概括
在非对比计算断层扫描 (NCCT) 上测量的放射性尿道壁厚度 (UWT) 显著低估了健康尿道中的实际病理性尿道厚度. 这项研究揭示了NCCT UWT测量的观测者间可靠性较差.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 放射学 放射学是一门学科.
- 病理学 病理学 病理学
背景情况:
- 非对比计算断层扫描 (NCCT) 对于诊断尿病至关重要.
- 在NCCT上尿道壁厚度 (UWT) 有助于预测石头通过和手术规划.
- 关于NCCT衍生的UWT与本地组织相比的准确性及其观察者间可靠性的数据有限.
研究的目的:
- 为了比较在NCCT (rUWT) 上测量的尿道壁厚度 (UWT) 与健康人尿道中的病态尿道厚度 (pUWT).
- 评估在NCCT上对rUWT测量的观察者间变异性.
主要方法:
- 分析了来自23名急性切除术患者的人类尿管样本.
- 病理性UWT (pUWT) 与三名失明放射科医生的中位数放射性UWT (rUWT) 进行了比较.
- 统计分析包括威尔科克森签名等级测试,类内相关系数和布兰德-阿尔特曼分析.
主要成果:
- 观察到rUWT对pUWT的显著低估 (平均差异:0.72mm;p=0.0005).
- 平均pUWT为2.1mm,而平均rUWT为1.30mm.
- 类内相关系数<0.50表明观察者之间的可靠性很差,Bland-Altmann的协议极限为2.5mm.
结论:
- 在NCCT上的放射性UWT测量显著低估了健康人尿道中的病理性UWT.
- 在基于NCCT的UWT测量中存在很高的观察者间变异性.
- 从NCCT衍生的UWT可能需要谨慎的解释,用于在尿病管理中的临床决策.
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