定量声纳体对比增强超声特征用于预测肝细胞癌的微血管入侵
Daohui Yang1, Weixun Wu2, Qi Zhang3
1Department of Ultrasound, Xiamen Branch, Zhongshan Hospital, Fudan University, 361006 Xiamen, China; Clinical Research Center for Precision Medicine of Abdominal Tumor of Fujian Province, 361006 Xiamen, China.
European journal of radiology
|October 24, 2025
概括
一个新的机器学习模型整合了定量Sonazoid对比增强超声波 (CEUS) 和临床数据,可以准确地预测肝癌 (HCC) 中的微血管入侵 (MVI). 与单独临床因素相比,这种综合方法显著提高了预测准确性.
科学领域:
- 肝细胞癌研究 肝细胞癌研究
- 医学成像分析 医学成像分析
- 机器学习在瘤学中的应用
背景情况:
- 肝细胞癌 (HCC) 的诊断和预后受到微血管入侵 (MVI) 的显著影响.
- 准确预测MVI对于指导治疗决策和改善HCC患者的治疗结果至关重要.
- 目前用于MVI检测的方法通常需要侵入性程序或缺乏足够的预测能力.
研究的目的:
- 开发和验证可解释的机器学习 (ML) 模型,用于预测HCC中的MVI.
- 整合量化Sonazoid对比增强超声波 (CEUS) 功能与临床数据,以提高MVI预测.
- 评估CEUS定量特征的附加预测价值,而不仅仅是临床数据.
主要方法:
- 追溯分析了来自中国三家医院的556例基因病理学确诊的HCC病例.
- 使用显著的Sonazoid CEUS和临床特征构建和评估十个ML模型.
- 使用接收器运行特征曲线 (AUC) 下面面积的性能评估;结合 (CEUS + 临床) 与临床模型的比较.
主要成果:
- MVI的重要预测因素包括瘤直径,PIVKA-II (≥40 ng/mL),AFP (≥400 ng/mL),十分钟比率和峰值强度的标准偏差.
- 在内部 (AUC = 0.862) 和外部 (AUC = 0.841) 验证队列中,XGBoost组合模型实现了高预测准确性.
- 组合模型在内部 (0.862对0.631) 和外部 (0.841对0.653) 验证中显示出明显高于临床模型的AUC值.
结论:
- 在XGBoost组合模型显示显著的承诺预测MVI在HCC患者.
- 定量SONAZOID CEUS特征在提高MVI预测准确性方面提供了实质性的附加值.
- 这种集成的ML方法为HCC的MVI评估提供了一个非侵入性和准确的工具.
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