[1]靳潇潇,武志芳,胡光,等.IQ·SPECT、碲锌镉探测器SPECT和传统SPECT在心肌灌注显像中的应用分析[J].国际放射医学核医学杂志,2017,41(2):150-155.[doi:10.3760/cma.j.issn.1673-4114.2017.02.013]
 Jin Xiaoxiao,Wu Zhifang,Hu Guang,et al.IQ·SPECT, Cadmium-Zinc-Telluride SPECT, and conventional SPECT application in myocardial perfusion imaging[J].International Journal of Radiation Medicine and Nuclear Medicine,2017,41(2):150-155.[doi:10.3760/cma.j.issn.1673-4114.2017.02.013]
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IQ·SPECT、碲锌镉探测器SPECT和传统SPECT在心肌灌注显像中的应用分析(/HTML)
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《国际放射医学核医学杂志》[ISSN:1673-4114/CN:12-1381/R]

卷:
41
期数:
2017年第2期
页码:
150-155
栏目:
综述
出版日期:
2017-03-25

文章信息/Info

Title:
IQ·SPECT, Cadmium-Zinc-Telluride SPECT, and conventional SPECT application in myocardial perfusion imaging
作者:
靳潇潇 武志芳 胡光 卫华
030001 太原, 山西医科大学第一医院核医学科
Author(s):
Jin Xiaoxiao Wu Zhifang Hu Guang Wei Hua
Department of Nuclear Medicine, the First Hospital of Shanxi Medical University, Taiyuan 030001, China
关键词:
体层摄影术发射型计算机单光子心肌灌注显像
Keywords:
Tomography emission-computed single-photonMyocardial perfusion imaging
DOI:
10.3760/cma.j.issn.1673-4114.2017.02.013
摘要:
IQ·SPECT与碲锌镉(CZT)探测器SPECT是心肌灌注显像新技术,与传统SPECT相比,具有灵敏度和空间分辨率高、采集时间短、注射显像剂剂量少及辐射剂量低等优点。与传统SPECT不同(低能高分辨率平行孔准直器),IQ·SPECT使用SMART-ROOM准直器及心脏为焦点的采集模式,提高了灵敏度;CZT探测器SPECT的探测器为半导体,取代了传统NaI晶体探测器,提高了能量分辨率、空间分辨率、灵敏度及信噪比等,并可定量分析心肌血流储备。笔者主要对三者的成像原理、性能参数及临床应用进行综述。
Abstract:
Cadmium-Zinc-Telluride(CZT) SPECT and IQ·SPECT are new technologies used in myocardial perfusion imaging and are important in the development of nuclear cardiology. These technologies exhibit higher sensitivity and spatial resolution, shorter acquisition time, and lower injection and radiation doses than conventional SPECT. In contrast to the conventional SPECT system equipped with standard low-energy high-resolution collimators, IQ·SPECT adopts SMART-ROOM collimators and cardiac-centric acquisition to improve detection sensitivity. The detectors of CZT SPECT consist of semiconductor materials, instead of conventional sodium iodide(NaI) crystals, to improve energy resolution, spatial resolution, sensitivity, and signal-to-noise ratio. These detectors can also quantitatively analyze myocardial flow reserve. This paper reviews the imaging principle, performance parameters, and clinical application of three SPECT systems.

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备注/Memo

备注/Memo:
收稿日期:2016-12-19。
通讯作者:卫华,Email:jennyhua1981@sina.com
更新日期/Last Update: 2017-04-24