Technical Pitfalls and Limitations of SPECT/CT

被引：20

作者：

Livieratos, Lefteris ^{[1
,2
]}

机构：

[1] Guys & St Thomas Hosp, Dept Nucl Med, London SE1 9RT, England

[2] Kings Coll London, Imaging Sci & Biomed Engn, London WC2R 2LS, England

来源：

SEMINARS IN NUCLEAR MEDICINE | 2015年 / 45卷 / 06期

关键词：

RESPIRATORY MOTION CORRECTION; X-RAY CT; SUBSET EXPECTATION MAXIMIZATION; ATTENUATION-CORRECTION; ITERATIVE RECONSTRUCTION; MYOCARDIAL SPECT; IMAGE QUALITY; RESOLUTION RECOVERY; TRANSMISSION CT; PET-CT;

D O I：

10.1053/j.semnuclmed.2015.06.002

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

The synergy of functional and anatomic information in hybrid systems has undoubtedly enhanced the diagnostic potential of radionuclide imaging in recent years, contributing to the advancement of SPECT/CT in clinical practice. Since the introduction of commercial SPECT/CT in the late 1990s, the field has seen rapid expansion and development toward multidetector CT subsystems, establishing the role of SPECT/CT as a routine imaging tool. It is, however, important to discuss possible challenges and technical limitations of such systems and how these influence imaging outcomes. In particular, the issues of patient motion and spatial misalignment of the SPECT and CT modalities, data corrections such as those for photon attenuation, and the choice of CT acquisition protocols in relation to radiation exposure are discussed in the article. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：530 / 540

页数：11

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