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与FDG PET/CT相比,FAPI用于诊断原发性和转移性肺癌
Yuchun Wei1, Li Ma1, Pei Li1
1From the Department of Radiation Oncology, Shandong University Cancer Center, Jinan, China (Y.W., S. Yuan, J.Y.); Department of Radiation Oncology and Shandong Provincial Key Laboratory of Radiation Oncology (Y.W., J.L., S. Yuan, J.Y.) and Department of Nuclear Medicine PET Center, Shandong Cancer Hospital and Institute (L.M., J.R., S. Yan, H.W., Z.F.), Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, No. 440 Jiyan Rd, Jinan 250117, China; and Research Unit of Radiation Oncology, Chinese Academy of Medical Sciences, Jinan, China (Y.W., P.L., J.Y.).
与18标记纤维细胞激活蛋白抑制剂 (F-FAPI) PET/CT相比,18标记纤维细胞激活蛋白抑制剂在检测肺癌病变方面具有更高的准确性. 这种先进的成像技术为诊断肺癌提供了更高的灵敏度和特异性.
科学领域:
- 核医学就是核医学.
- 瘤成像学成像学
- 放射性药物开发 放射性药物开发
背景情况:
- 标有F标签的纤维细胞激活蛋白抑制剂 (FAPI) 在癌症可视化方面表现有前途.
- 在肺癌检测中,F-FAPI PET/CT与F-fluorodeoxyglucose (FDG) PET/CT的比较诊断准确性尚未得到充分证实.
研究的目的:
- 为了评估F-FAPI PET/CT与F-FDG PET/CT相比的诊断性能.
- 评估F-FAPI PET/CT在识别原发性和转移性肺癌病变中的有效性.
主要方法:
- 一项前性试验的二次分析,涉及68名病理确诊的肺癌患者.
- 配对F-FAPI和F-FDG PET/CT扫描在7天内进行.
- 组织病理学和临床随访作为参考标准;统计比较包括麦克纳马测试和配对的学生t测试.
主要成果:
- 与F-FDG PET/CT相比,F-FAPI PET/CT具有更高的灵敏度 (99%与87%相比),特异性 (93%与79%),准确性 (97%与85%) 和负预测值 (97%与70%).
- 对于F-FAPI,瘤与背景比率 (TBR) 在初级肺瘤中较低,但在转移性淋巴结和骨转移中较高.
- 两种成像方法之间的积极预测值没有发现显著差异.
结论:
- 与F-FDG PET/CT相比,F-FAPI PET/CT可能在检测肺癌方面提供更高的诊断性能.
- 这些发现表明F-FAPI PET/CT作为肺癌成像中的一个有价值的工具的潜在作用.
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