光子计数探测器 CT 在主动脉成像中的优势

IF 2.2 4区医学 Q2 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Tomography Pub Date : 2023-12-19 DOI:10.3390/tomography10010001

C. Zanon, Filippo Cademartiri, Alessandro Toniolo, Costanza Bini, Alberto Clemente, E. C. Colacchio, G. Cabrelle, Florinda Mastro, Michele Antonello, Emilio Quaia, Alessia Pepe

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引用次数: 0

摘要

光子计数计算机断层扫描（PCCT）是一种前景广阔的成像技术。与传统 CT 相比，光子计数计算机断层扫描利用探测器对多个分区中的光子数量和能量进行计数，具有多种优势，包括图像质量更高、造影剂用量更少、辐射剂量更低以及伪影更少。虽然 PCCT 在心脏成像评估冠状动脉疾病方面已得到广泛认可，但其在主动脉成像方面的应用仍然有限。本综述总结了现有文献，概述了目前 PCCT 在主动脉成像诊断中的应用，主要侧重于血管内动脉瘤修补术（EVAR）后的内漏检测和定性、造影剂用量和减少辐射暴露，尤其是在慢性肾病患者和需要进行 CT 随访的患者中。

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Advantages of Photon-Counting Detector CT in Aortic Imaging

Photon-counting Computed Tomography (PCCT) is a promising imaging technique. Using detectors that count the number and energy of photons in multiple bins, PCCT offers several advantages over conventional CT, including a higher image quality, reduced contrast agent volume, radiation doses, and artifacts. Although PCCT is well established for cardiac imaging in assessing coronary artery disease, its application in aortic imaging remains limited. This review summarizes the available literature and provides an overview of the current use of PCCT for the diagnosis of aortic imaging, focusing mainly on endoleaks detection and characterization after endovascular aneurysm repair (EVAR), contrast dose volume, and radiation exposure reduction, particularly in patients with chronic kidney disease and in those requiring follow-up CT.

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来源期刊

Tomography Medicine-Radiology, Nuclear Medicine and Imaging

CiteScore

2.70

自引率

10.50%

发文量

222

期刊介绍： TomographyTM publishes basic (technical and pre-clinical) and clinical scientific articles which involve the advancement of imaging technologies. Tomography encompasses studies that use single or multiple imaging modalities including for example CT, US, PET, SPECT, MR and hyperpolarization technologies, as well as optical modalities (i.e. bioluminescence, photoacoustic, endomicroscopy, fiber optic imaging and optical computed tomography) in basic sciences, engineering, preclinical and clinical medicine. Tomography also welcomes studies involving exploration and refinement of contrast mechanisms and image-derived metrics within and across modalities toward the development of novel imaging probes for image-based feedback and intervention. The use of imaging in biology and medicine provides unparalleled opportunities to noninvasively interrogate tissues to obtain real-time dynamic and quantitative information required for diagnosis and response to interventions and to follow evolving pathological conditions. As multi-modal studies and the complexities of imaging technologies themselves are ever increasing to provide advanced information to scientists and clinicians. Tomography provides a unique publication venue allowing investigators the opportunity to more precisely communicate integrated findings related to the diverse and heterogeneous features associated with underlying anatomical, physiological, functional, metabolic and molecular genetic activities of normal and diseased tissue. Thus Tomography publishes peer-reviewed articles which involve the broad use of imaging of any tissue and disease type including both preclinical and clinical investigations. In addition, hardware/software along with chemical and molecular probe advances are welcome as they are deemed to significantly contribute towards the long-term goal of improving the overall impact of imaging on scientific and clinical discovery.