基于碲化镉锌技术的新一代SPECT相机。

Annals of nuclear cardiology Pub Date : 2024-01-01 Epub Date: 2024-10-31 DOI:10.17996/anc.24-00011
Ichiro Matsunari
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引用次数: 0

摘要

尽管最近正电子发射断层扫描技术有所发展,但心脏单光子发射计算机断层扫描(SPECT)成像由于其高可及性和广泛的临床应用,仍然是核心脏病学的主流。对于SPECT成像,基于镉-碲化锌(CZT)的探测器具有比传统的Anger型探测器更灵活的相机设计的优势,这要归功于CZT探测器的小尺寸和高对比度成像,因为它的高能量分辨率。大约15年前,基于cts的心脏SPECT相机开始商业化,在临床实践中取得了巨大的成功。然而,这仅仅是CZT时代的开始。到目前为止,基于cts的通用全身相机和三维全环SPECT系统已经开发出来,并在商业上可用,初步结果很有希望。尽管在更广泛的临床应用之前仍有一些领域需要解决,但基于cz的技术作为新一代SPECT系统可能会在核心脏病学方面取得重大进展。最后,用于半导体探测器的新材料正在研究或开发中,这表明心脏SPECT技术将有更多的发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
New Generation SPECT Cameras Based on Cadmium-Zinc Telluriide Technology.

Despite recent developments in positron emission tomography technology, cardiac single photon emission computed tomography (SPECT) imaging continues to be the main stream of nuclear cardiology because of its high accessibility and wider clinical use. For SPECT imaging, cadmium-zinc telluride (CZT) based detectors have advantages over conventional Anger type detectors with more flexible camera design thanks to the small sized CZT detectors and high contrast imaging because of its high energy resolution. Approximately 15 years ago, CZT-based cardiac SPECT cameras became commercially available, resulting in great success in clinical practice. However, this was just the beginning of the CZT era. To date, CZT-based general purpose whole-body camera and 3 dimensional full-ring SPECT systems have been developed and become commercially available with promising initial results. Although there still are areas to be addressed before wider clinical use, the CZT-based technology may provide significant progresses in nuclear cardiology as new generation SPECT systems. Finally, newer materials for the semiconductor detectors are under investigation or development, suggesting that there will be more developments in cardiac SPECT technology.

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