2-[18F]FDG-PET/CT在未知原发性瘤癌症中-一项基于登记册的回顾性队列研究
Heidi Rimer1, Melina Sofie Jensen1, Sara Elisabeth Dahlsgaard-Wallenius2
1Department of Clinical Research, University of Southern Denmark, 5000 Odense, Denmark.
Journal of imaging
|September 27, 2023
概括
与单独的CT扫描相比,2-[18F]FDG-PET/CT显著提高了未知初级 (CUP) 癌症患者的初级瘤检测率. 虽然生存差异在统计上并不显著,但PET/CT显示出改善结果的趋势.
科学领域:
- 在瘤学瘤学.
- 放射学 放射学是一门学科.
- 诊断成像 诊断成像 诊断成像
背景情况:
- 未知原发性癌症 (CUP) 是一个诊断挑战.
- 准确的原发性瘤检测对于有效的治疗计划和患者的治疗结果至关重要.
- 像CT这样的传统成像方法在CUP病例中可能在识别主要瘤方面存在局限性.
研究的目的:
- 为了比较2-[18F]FDG-PET/CT的诊断性能与常规CT用于疑似CUP患者的初级瘤检测.
- 评估2-[18F]FDG-PET/CT对该队列患者生存率的影响.
主要方法:
- 在2014-2017年期间,对193名被诊断患有疑似CUP的患者进行了回顾性分析.
- 患者被分为两组:接受2-[18F]FDG-PET/CT的患者和仅接受CT的患者.
- 使用活检,尸检或临床决定作为参考标准来确定检测率. 生存分析包括卡普兰-梅尔估计和考克斯回归.
主要成果:
- 初级瘤的检测率在2-[18F]FDG-PET/CT组 (36.5%) 与CT组 (17.6%) 相比显著更高 (p=0.012).
- 2-[18F]FDG-PET/CT组的中位生存时间为7.4个月,CT组为3.8个月.
- 虽然在统计学上不显著,但在接受2-[18F]FDG-PET/CT (调整后危险比0.68,p=0.087) 的患者中观察到延长生存的趋势.
结论:
- 2-[18F]FDG-PET/CT显示,与单独的CT相比,在怀疑CUP的患者中,初级瘤的检测率明显更高.
- 这些发现表明,2-[18F]FDG-PET/CT在CUP的管理中可能具有相当大的临床重要性.
- 需要进一步的研究来证实2-[18F]FDG-PET/CT对CUP患者的潜在生存益处.
关键词:
2-[18F]FDG-PET/CT/CT-FDG-PET/CT/CT-FDG-PET/CT/CT-FDG-PET/CT/CT-FDG-PET/CT/CT-FDG-PET/FDG-PET/CT-PET/CT-FDG-PET/FDG-PET/CT-PET/CT-PET/CT-PET/CT-PET/CT/CT-PET/CT-PET/CT-PET/FDG-PET/FDG-PET/CT-PET/CT-PET/CT-PET/CT-PET/CT-PET/CT-PET/CT-PET/FDG-PET/CT-PET/FDG-PET/CT-PET/CT-PET/CT-PET/CT-PET/PET-PET/PET-PET/PET-PET-PET/PET-PET-PET-PET-PET-PET-PET-PET-PET-PET这就是为什么CTCTCTCTCT癌症 癌症 癌症 癌症 癌症检测速度的检测速度幸存率 幸存率 生存率未知的主要地点未知.相关概念视频
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