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首页> 外文期刊>Seminars in Ultrasound, CT, and MRI >Dual-energy derived virtual nonenhanced computed tomography imaging: current status and applications.
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Dual-energy derived virtual nonenhanced computed tomography imaging: current status and applications.

机译：双能量派生的虚拟非增强型计算机断层扫描成像：当前状态和应用。

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摘要

Radiation exposure is a growing concern, and computed tomography is a main contributor to overall radiation dose in American patients. Dual-energy computed tomography, by allowing virtual nonenhanced (VNE) imaging, may obviate the need for image acquisition during a true nonenhanced phase when multiphase studies are needed, thereby reducing radiation exposure. Various groups have reported on the technical feasibility and clinical applicability of VNE imaging in the kidney, liver, lung, brain, and aorta. VNE is consistently reported to be both feasible and clinically relevant, although both hardware and postprocessing capabilities currently pose various specific challenges. We review the current state of VNE imaging and discuss some challenges to its future application.
机译：放射线暴露日益引起人们的关注，计算机断层扫描是美国患者总放射线剂量的主要贡献者。通过允许进行虚拟非增强（VNE）成像，双能计算机断层扫描可以消除需要进行多相研究时在真正的非增强阶段中获取图像的需要，从而减少了辐射暴露。各个小组都报告了在肾脏，肝脏，肺脏，大脑和主动脉中进行VNE成像的技术可行性和临床适用性。尽管目前硬件和后处理功能都面临各种特定挑战，但VNE一直被认为既可行又具有临床意义。我们回顾了VNE成像的当前状态，并讨论了其未来应用的一些挑战。

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