观察者间和观察者内部可重现性,以确定女性尿道狭窄的空化cystourethrogram:一个回顾性研究
Alea I Zone1, Caitlin E Carlton1, Mortadha Al-Kinani2
1Department of Urology, University of Texas Southwestern Medical Center, Dallas, USA.
Cureus
|February 16, 2026
概括
放射科医生在识别女性排泄囊尿表图 (VCUG) 上尿道狭窄方面表现出很好的一致性. 这项研究支持VCUG.
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.
- 女性下泌尿道成像研究
背景情况:
- 排空囊电图 (VCUG) 是一种成像技术,用于评估女性下尿道解剖学.
- 虽然其使用量已经下降,但VCUG在泌尿后科和康复性骨盆手术中仍然很有价值,用于识别反复性尿路感染 (RUTI) 的结构原因,例如尿道病理.
研究的目的:
- 评估放射科医生解释尿道口径和缩小VCUG的观察者间和观察者内部的变异性.
- 评估VCUG在诊断非神经性女性尿道狭窄的可靠性.
主要方法:
- 以后回顾83例来自18-85岁女性的VCUG病例,没有显著的落.
- 四位经过学术培训的放射科医生独立评估了尿道狭窄,严重程度和位置在直立的斜投影图像上.
- 使用Shrout-Fleiss统计 (类内相关系数,ICC) 计算了读者之间的可靠性.
主要成果:
- 四位放射科医生都同意,在60%的病例 (50/83) 中,尿道狭窄的存在或不存在.
- 在90%的案例中 (75/83) 达成多数意见 (≥3个评级者),以缩小存在 (ICC = 0.79).
- 对于狭窄的病例,对严重程度的多数同意率为70% (ICC = 0.89),对地点的同意率为84% (ICC = 0.43).
结论:
- 这项研究表明,在女性站立VCUG上识别尿道狭窄时,inter-reader可重复性很好.
- 大多数放射科医生都同意尿道狭窄的存在,位置和严重程度.
- 需要与临床数据进行进一步的相关性,以建立尿道狭窄的标准化放射学定义.
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