计算机辅助诊断在结肠镜检查中的准确性取决于多的位置:系统性审查和元分析
Tommy Rizkala1, Cesare Hassan2, Yuichi Mori3
1IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy.
概括
计算机辅助诊断 (CADx) 显示小近端结肠多的准确性低于远端的. 目前的CADx系统不推用于近位息肉,因为性能不够好.
科学领域:
- 胃肠病学 胃肠病学
- 医疗成像医学成像
- 人工智能在医学中的应用
背景情况:
- 计算机辅助诊断 (CADx) 帮助内镜医生在结肠镜检查期间区分瘤和非瘤聚体.
- 在CADx的诊断性能可能会根据结肠中的聚体位置而有所不同.
研究的目的:
- 评估多位位置 (近肠与远肠) 如何影响CADx对大肠直肠多的诊断性能,大小≤5毫米.
- 评估CADx对不同结肠片段的小息肉的敏感性,特异性,负预测值 (NPV),正预测值 (PPV) 和准确性.
主要方法:
- 一项系统性审查和11项涉及7782个大肠直肠多体≤5毫米的研究的元分析.
- 分析的重点是实时的CADx性能,独立于内镜师的判断.
- 主要终点包括近端和远端结肠段的CADx灵敏度和特异性 (远端定义为直肠和sigmoid).
主要成果:
- 与远端结肠相比,CADx在近端结肠中表现出明显较低的特异性 (62%与85%) 和准确性 (81%与86%).
- 临近和远端结肠 (89%和87%) 的灵敏度相似.
- 临近结肠的负预测值较低 (64%对93%),而正预测值更高 (87%对76%).
结论:
- 目前的CADx系统对靠近结肠的小息肉的诊断性能不足,特别是在特异性方面.
- CADx适合在偏远结肠中用于小息肉.
- 需要进一步开发CADx系统,以便在近端结肠中有效使用.
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