在胰腺癌的新辅助治疗中,放射和病理反应评估之间的差异:新辅助化疗和新辅助化疗或放射治疗之间的比较
Satoru Miyahara1, Hidenori Takahashi1, Yoshito Tomimaru1
1Department of Gastroenterological Surgery, Graduate School of Medicine Osaka University Osaka Japan.
Annals of gastroenterological surgery
|November 7, 2025
概括
新辅助化学辐射疗法 (NACRT) 在胰腺癌中显示出比新辅助化学疗法 (NAC) 更高的有利病理反应,即使在具有稳定的放射性疾病的情况下也是如此. 这突显了治疗类型对治疗重新评估的重要性.
科学领域:
- 在瘤学瘤学.
- 手术瘤学手术瘤学
- 辐射疗法 辐射疗法
背景情况:
- 对治疗反应的准确重新评估对于选择胰腺癌患者在新辅助治疗 (NAT) 后进行切除至关重要.
- 胰腺癌治疗反应的放射性评估可能受到病理发现的差异的限制,可能高估了由于放射治疗引起的炎症反应而导致的残留瘤活力.
- 本研究研究了胰腺癌的NAT中放射和病理反应评估之间的关系,特别是比较新辅助化疗 (NAC) 和新辅助化疗和放射治疗 (NACRT).
研究的目的:
- 探索接受新辅助治疗 (NAT) 的胰腺癌患者的放射和病理反应评估之间的关系.
- 为了比较新辅助化学疗法 (NAC) 与新辅助化学放射疗法 (NACRT) 在实现有利的病理反应方面的疗效.
- 确定放射性 (RECIST) 和病理性 (Evans) 反应评估之间的潜在差异及其对治疗决策的影响.
主要方法:
- 包括当地晚期胰腺癌 (PC) 患者,他们接受了NAT,随后接受了治愈切除术.
- 放射性反应使用RECIST标准进行评估,病理反应使用埃文斯分类来评估.
- 对于NAC和NACRT组,分析了RECIST和埃文斯分类之间的相关性.
主要成果:
- 在NAC和NACRT组之间没有观察到RECIST发现的显著差异.
- 与NAC组相比,NACRT组表现出明显更高的有利病理反应率 (埃文斯≥IIb) (p < 0.001).
- 在被RECIST分类为患有稳定疾病 (SD) 的患者中,NACRT组显示出明显更高的有利病理反应率 (p < 0.001),有些人达到病理完全反应 (Evans IV).
结论:
- 在胰腺癌中,放射和病理反应评估NAT可以根据所使用的特定新辅助疗法 (NAC与NACRT) 不同.
- 新辅助疗法的类型是NAT后重新评估时需要考虑的关键因素,特别是当放射性变化最小时.
- NACRT可能导致比NAC更好的病理反应,即使在放射性评估表明疾病稳定的情况下,也可能导致更好的病理反应,这表明需要仔细解释成像发现.
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