Hybrid total-body pet scanners-current status and future perspectives.

Hybrid total-body pet scanners-current status and future perspectives.
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DOI:
10.1007/s00259-021-05536-4
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发表时间:
2022-01
影响因子:
9.1
通讯作者:
Schulz V
Schulz V
中科院分区:
医学1区
文献类型:
--
作者:
Nadig V;Herrmann K;Mottaghy FM;Schulz V

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目的 自 20 世纪 90 年代以来,PET 已成功与 MR 或 CT 系统结合。在过去几年中,尤其是 PET 系统出现了轴向视场 (FOV) 扩大十倍的趋势。方法通过深入的文献研究,我们总结了当代全身(TB)PET/CT扫描仪的现状,并对未来可能的发展进行了展望。结果 目前,已开发出三种人类 TB PET/CT 系统:PennPET Explorer、uExplorer 和 Biograph Vision Quadra,可实现 1 至 2 m 之间的 aFOV,并显示出与较长机架相关的系统灵敏度的巨大提高。结论 系统灵敏度的提高为短期、低剂量、动态结核病成像以及几乎所有成像领域的新检查方法铺平了道路。
Purpose Since the 1990s, PET has been successfully combined with MR or CT systems. In the past years, especially PET systems have seen a trend towards an enlarged axial field of view (FOV), up to a factor of ten. Methods Conducting a thorough literature research, we summarize the status quo of contemporary total-body (TB) PET/CT scanners and give an outlook on possible future developments. Results Currently, three human TB PET/CT systems have been developed: The PennPET Explorer, the uExplorer, and the Biograph Vision Quadra realize aFOVs between 1 and 2 m and show a tremendous increase in system sensitivity related to their longer gantries. Conclusion The increased system sensitivity paves the way for short-term, low-dose, and dynamic TB imaging as well as new examination methods in almost all areas of imaging.
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