首次与超快飞行时间的BIOGRAPH One下一代混合PET/MRI系统进行临床试验
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Updated: Feb 14, 2026

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Hybrid PET/MRI Imaging of Alzheimer's Disease Based on 18F-AV-1451
Published on: April 18, 2025
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Otto M Henriksen1, Kirsten Korsholm1, Annika Loft1
1Department of Clinical Physiology and Nuclear Medicine, Copenhagen University Hospital Rigshospitalet, 2100 Copenhagen, Denmark.
Diagnostics (Basel, Switzerland)
|February 13, 2026
概括
BIOGRAPH One PET/MRI 系统显示身体和大脑成像的性能得到了改进,比以前的模型提供了更好的图像质量和工作流程潜力. 这种下一代扫描仪提高了诊断准确度,并可能扩大临床应用.
科学领域:
- 医疗成像医学成像
- 核医学是一种核医学.
- 放射学 放射学是一门学科.
背景情况:
- 生物一号代表了下一代PET/MRI系统.
- 评估其临床性能对于推进诊断能力至关重要.
研究的目的:
- 评估BIOGRAPH One PET/MRI系统对身体和大脑成像的临床性能.
- 将其PET图像质量,量化和噪声特征与已建立的PET/CT和第一代PET/MRI系统进行比较.
主要方法:
- 59名患者在BIOGRAPH One PET/MRI上使用各种标记物 ([18F]FDG, [18F]FE-PE2I, [18F]FET, [68Ga]Ga-DOTATOC) 进行了扫描.
- 视觉评估PET图像质量,并与参考扫描 (PET/CT,第一代PET/MRI) 进行比较.
- 评估了诊断一致性,量化和图像噪声.
主要成果:
- 93%的扫描得到了"好"或"非常好"的图像质量评级.
- 在99%的案例中,图像质量被评为等于或优于参考扫描.
- 诊断一致性达到99%,图像噪声与数字PET/CT相比较,优于第一代PET/MRI.
结论:
- 与其前身相比,BIOGRAPH One PET/MRI 显示了更高的 PET 灵敏度和工作流程效率.
- 该系统显示了更广泛的临床采用和扩展医学成像研究应用的潜力.
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