在MRI上对三阴性乳腺癌的定量息地度分析与新辅助免疫/化疗组合的病理反应相关
R Jared Weinfurtner1, Dana Ataya1, Kimberly Funaro1
1Department of Radiology, Moffitt Cancer Center, 10920 McKinley Dr, Tampa, FL, 33612, United States of America.
Clinical imaging
|September 13, 2025
概括
在新辅助免疫疗法和化疗 (NAIC) 之前,对三阴性乳腺癌 (TNBC) 的定量MRI分析可以预测治疗反应. 高度的功能性瘤体积和高增强的口腔与更好的病理完整响应 (pCR) 率相关.
科学领域:
- 在瘤学瘤学.
- 放射学 放射学是一门学科.
- 免疫治疗是一种免疫疗法.
背景情况:
- 三阴性乳腺癌 (TNBC) 是一个重大的临床挑战.
- 新辅助免疫疗法和化疗 (NAIC) 为TNBC提供了一个有前途的治疗策略.
- 预测NAIC反应的生物标志物对于个性化治疗方法至关重要.
研究的目的:
- 调查TNBC患者治疗前定量体积核磁共振测量和新辅助治疗反应之间的相关性.
- 评估MRI上的功能瘤体积 (FTV) 和高增强体积 (HEV) 是否可以预测NAIC后的病理完整反应 (pCR).
主要方法:
- 一个单一机构的I/II期试验包括25名接受NAIC治疗的女性TNBC患者.
- 在治疗前对乳房进行了MRI分析,使用定量体积评估来确定FTV和HEV的百分比息地度 (%HC).
- 这些MRI指标与手术后的病理反应 (pCR) 和瘤细胞性 (%TC) 相关联.
主要成果:
- 与非pCR患者相比,获得pCR的患者的平均FTV (84.8%与67.4%) 和HEV (93.3%与81.3%) 显著高于非pCR患者.
- 平均以上的%FTV和%HEV与明显较低的瘤细胞性 (1-1.1%与14.3-17.1%) 有关.
- 瘤的%FTV和%HEV高于平均水平,在71%和69%的病例中分别实现了PCR,而低于平均水平的指标则为18%和11%.
结论:
- 定量体积核磁共振分析,特别是%FTV和%HEV,是预测TNBC中新辅助治疗反应的宝贵工具.
- 在治疗前的MRI上,功能性瘤和高增强声的较高度与增加的PCR率和瘤细胞性降低相关.
- 这些发现支持使用先进的MRI技术在接受NAIC的TNBC患者治疗分层.
相关概念视频
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