脑电图扫描在胃和胃食道腺癌中的下阶段淋巴结
Morgan F Pettigrew1, Priya Kumar1, Skylar L Nahi1
1Division of Surgical Oncology, Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
Journal of surgical oncology
|March 28, 2025
概括
计算机断层扫描 (CT) 在胃和胃食道结 (GEJ) 腺癌中检测淋巴结转移的灵敏度较低. 尺寸切断值为6.5mm可以改善检测,但对于扩散型瘤是无效的,需要更好的分期技术.
科学领域:
- 胃肠病学 胃肠病学
- 在瘤学瘤学.
- 放射学 放射学是一门学科.
背景情况:
- 胃和胃食道结 (GEJ) 腺癌中的淋巴结转移对于预后和治疗至关重要.
- 精确的临床节点分期对于管理这些癌症至关重要.
研究的目的:
- 评估计算机断层扫描 (CT) 对于切除胃和GEJ腺癌的临床节点分期的灵敏度.
- 在CT上确定最佳的淋巴结尺寸切断值,以提高结节转移的诊断准确度.
主要方法:
- 对192名胃/GEJ腺癌患者进行了治疗切除 (2010-2023) 的回顾性审查.
- 在手术前的CT扫描中,分析了淋巴结的大小 (短轴).
- CT发现与组织病理学进行了比较,并使用接收器操作特征 (ROC) 曲线来确定最佳尺寸切断点.
主要成果:
- 对结节转移的CT敏感度为25% (特异性为83%).
- 最佳切线6.5mm提高了对47%的敏感性 (特异性72%),但对于扩散型瘤 (AUC0.51) 无效.
- 肠类瘤显示CT性能优于扩散型/混合型 (p=0.02).
结论:
- 目前的CT指南对于检测胃和GEJ腺癌中的淋巴结转移的敏感性较低.
- 虽然6.5毫米的切线可以提高灵敏度,但它对患有扩散型瘤的患者没有好处.
- 需要改进的临床节点分期技术来准确管理患者.
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