在手术前的MRI上Node-RADS预测了以前未经治疗的直肠癌患者的淋巴结驱动的生存率:风险分层的SHAP可解释的名图
Zijian Zhuang1, Li Jiang2, Kang Sun3
1Department of Medical Imaging, The Affiliated Hospital of Jiangsu University, Zhenjiang 212001, Jiangsu Province, China (Z.Z., L.J., D.W., L.Z.).
在手术前MRI上的节点报告和数据系统 (Node-RADS) 有效地识别了需要量身定制治疗的直肠癌患者. 这种成像生物标志物有助于预测结果并改进患者监测策略.
科学领域:
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
- 医疗成像医学成像
背景情况:
- 精确的淋巴结状况的术前评估对于直肠腺癌的管理至关重要.
- 标准化的成像标准可以改善区域淋巴结的诊断和预后评估.
研究的目的:
- 评估节点报告和数据系统 (Node-RADS) 的诊断和预后实用性,使用直肠腺癌患者的手术前MRI.
主要方法:
- 对126名患有直肠腺癌的患者进行了回顾性队列研究,这些患者接受了手术前的MRI和手术.
- 用Node-RADS对节点进行分级;记录了标准的MRI描述符和高风险特征.
- 使用多变量模型和SHAP值分析了与无复发生存 (RFS) 和总生存 (OS) 的关联.
主要成果:
- 节点-RADS在区域淋巴结状况 (AUC=0.861) 上表现出强大的诊断性能.
- 节点-RADS,年龄和CA19-9独立预测了OS;节点-RADS,EMVI和CA19-9预测了RFS.
- 纳入Node-RADS的Nomograms显示了OS (C-index=0.821) 和RFS (C-index=0.726) 的良好预测性能.
- SHAP分析强调了Node-RADS作为RFS和OS的关键预测因素.
结论:
- 基于手术前MRI的Node-RADS是诊断淋巴结参与直肠癌的一个有价值的工具.
- 节点-RADS作为风险分层的预后成像生物标志物.
- 该系统支持直肠腺癌的个性化治疗和监测策略.
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