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对68Ga-DOTATATE和18F-DOPA PET扫描用于检测导致异位ACTH综合征的瘤的前性评估

Henrik Elenius¹, Raven McGlotten¹, Chuong D Hoang²

¹Diabetes and Endocrinology and Obesity Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892.

The Journal of clinical endocrinology and metabolism

|March 4, 2025

概括

-68DOTATATE (DOTA) 和18F-DOPA (DOPA) PET/CT扫描显著改善了异位ACTH综合征 (EAS) 中的瘤检测. 这些功能成像技术是互补的,增强了传统扫描对EAS诊断的灵敏度和积极预测价值.

科学领域:

核医学是一种核医学.
放射学放射学是一门学科.
内分泌学在内分泌学.

背景情况:

宫外ACTH综合征 (EAS) 诊断具有挑战性,通常需要先进的成像.
68Ga-DOTATATE (DOTA) 和18F-DOPA (DOPA) PET/CT是EAS的新兴功能成像方式.

研究的目的:

为了前性地比较DOTA PET/CT和DOPA PET/CT在识别子宫外ACTH来源方面的诊断性能.
为了评估这些功能扫描与传统成像相结合的有效性.

主要方法:

在24名确诊EAS的患者中,DOTA PET/CT,DOPA PET/CT,CT,MRI和Octreoscan的前性比较.
对单个模式和组合的敏感性 (Se) 和积极预测值 (PPV) 的评估.

主要成果:

对DOPA PET/CT的敏感性比Octreoscan (31%) 高 (88%),对DOTA PET/CT (79%) 的敏感性相当.
结构 (CT/MRI) 和功能 (DOTA/DOPA) 成像的组合产生了高的PPV (89-100%) 和灵敏度 (64-87%).
心脏CT/MRI显示了最高的PPV (100%).

结论:

DOTA和DOPA PET/CT通过提高结构成像的灵敏度和检测到的病变的PPV来提高EAS中的瘤检测.
这些功能成像模式是对全面的EAS成像策略的补充和必要的.
多巴PET/CT尚未获得FDA对EAS的批准.

关键词:

库辛格 (Cushing) 的意思是说,库辛格.这就是DOTATATE.F-DOPA 是一种多巴胺.异胎ACTH综合征是什么意思影像成像技术影像成像技术神经内分泌瘤是一个神经内分泌瘤.

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