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Review
 
DOI:10.11909/j.issn.1671-5411.2014.03.005
Molecular imaging of plaques in coronary arteries with PET and SPECT
Zhong-Hua SUN,Hairil Rashmizal,Lei XU.J Geriatr Cardiol 2014,11(3):259~273
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Authors:Zhong-Hua SUN1;Hairil Rashmizal2;Lei XU3

Author Affiliation:1.Discipline of Medical Imaging, Department of Imaging and Applied Physics, Curtin University, Perth, Western Australia 6845, Australia;2.Department of Medical Imaging, Faculty of Health Sciences, University Technology MARA (UiTM), Selangor 42300, Malaysia;3.Department of Radiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, 100029, China

Foundation:

Abstract: Coronary artery disease remains a major cause of mortality. Presence of atherosclerotic plaques in the coronary artery is responsible for lu?men stenosis which is often used as an indicator for determining the severity of coronary artery disease. However, the degree of coronary lumen stenosis is not often related to compromising myocardial blood flow, as most of the cardiac events that are caused by atherosclerotic plaques are the result of vulnerable plaques which are prone to rupture. Thus, identification of vulnerable plaques in coronary arteries has become increas?ingly important to assist identify patients with high cardiovascular risks. Molecular imaging with use of positron emission tomography (PET) and single photon emission computed tomography (SPECT) has fulfilled this goal by providing functional information about plaque activity which enables accurate assessment of plaque stability. This review article provides an overview of diagnostic applications of molecular imaging tech?niques in the detection of plaques in coronary arteries with PET and SPECT. New radiopharmaceuticals used in the molecular imaging of coro?nary plaques and diagnostic applications of integrated PET/CT and PET/MRI in coronary plaques are also discussed.

Keywords:

Atherosclerotic plaque; Coronary artery disease; Single photon emission computed tomography; Positron emission tomography; Vulnerability
Received:August 13, 2014        Accepted:August 19, 2014   Published Online:August 20, 2014
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