"西格体起飞"是指指直肠-西格体交叉点及其对直肠癌分类,分期和管理的影响
A Augustine1, G H Cecil1, A Lakhani1
1Department of Radiology, Christian Medical College, Vellore, Tamil Nadu, 632004, India.
Clinical radiology
|March 15, 2025
概括
西格带起飞 (STO) 重新分类了13.4%的中高直肠癌,可能会改变某些癌症的治疗方法. 放射科医生在确定STO和瘤位置方面表现出了很好的一致性,确保了可靠的临床应用.
科学领域:
- 胃肠道瘤学 胃肠道瘤学
- 放射学 放射学是一门学科.
- 手术瘤学手术瘤学
背景情况:
- 精确的瘤定位对于最佳的直肠癌管理至关重要.
- 西格体起飞 (STO) 是一个解剖学里程碑,可以影响瘤分类.
- 当前的分类方法可能不一致地使用STO,这可能会影响治疗决策.
研究的目的:
- 评估使用Sigmoid Take-off (STO) 来分类中高直肠癌的临床影响.
- 评估STO识别的观察者间可靠性及其在瘤定位中的使用.
主要方法:
- 对134名中高直肠癌患者的MRI扫描的回顾性审查 (2019年1月至2022年12月).
- 瘤位置根据STO重新分类,并与从门边缘的距离进行比较.
- 评估了四名放射科医生之间的观察者间协议,以确定STO和瘤位置.
主要成果:
- 基于STO的评估将13.4% (n=18) 的直肠癌重新归类为西格癌.
- 没有观察到癌症阶段的变化,但18名重新分类的患者中有5名的治疗方法会发生变化.
- 对于STO距离 (ICC=0.883) 和瘤位置 (K=0.82) 发现了卓越的观察者间一致性.
结论:
- 使用STO重新分类瘤位置在13.4%的中高直肠癌中.
- STO是瘤定位的可靠地标,放射科医生之间有很好的观察者间协议.
- 将STO纳入直肠癌评估可以完善分类并指导治疗决策.
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