Attenuation Compensation for Cardiac Single-photon Emission Computed Tomographic Imaging: Part 1. Impact of Attenuation and Methods of Estimating Attenuation Maps

Overview

Journal J Nucl Cardiol

Specialty Cardiology & Vascular Diseases

Date 1995 Nov 1

PMID 9420834

Citations 44

Authors

M A King

B M Tsui

T S Pan

Affiliations

Soon will be listed here.

Abstract

Attenuation is believed to be one of the major causes of false-positive cardiac single-photon emission computed tomographic (SPECT) perfusion images. This article reviews the physics of attenuation, the artifacts produced by attenuation, and the need for scatter correction in combination with attenuation correction. The review continues with a comparison of the various configurations for transmission imaging that could be used to estimate patient specific attenuation maps, and an overview of how these are being developed for use on multiheaded SPECT systems, including discussions of truncation, noise, and spatial resolution of the estimated attenuation maps. Ways of estimating patient specific attenuation maps besides transmission imaging are also discussed.

Citing Articles

Attenuation Correction for Dedicated Cardiac SPECT Imaging Without Using Transmission Data.

Tadesse G, Geramifar P, Abbasi M, Tsegaw E, Amin M, Salimi A Mol Imaging Radionucl Ther. 2023; 32(1):42-53.

PMID: 36818953 PMC: 9950684. DOI: 10.4274/mirt.galenos.2022.55476.

Accuracy and Reproducibility of Myocardial Blood Flow Quantification by Single Photon Emission Computed Tomography Imaging in Patients With Known or Suspected Coronary Artery Disease.

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A LIST-MODE OSEM-BASED ATTENUATION AND SCATTER COMPENSATION METHOD FOR SPECT.

Rahman M, Laforest R, Jha A Proc IEEE Int Symp Biomed Imaging. 2020; 2020:646-650.

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Single Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging Guidelines: Instrumentation, Acquisition, Processing, and Interpretation.

Dorbala S, Ananthasubramaniam K, Armstrong I, Chareonthaitawee P, DePuey E, Einstein A J Nucl Cardiol. 2018; 25(5):1784-1846.

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SPECT/CT: an update on technological developments and clinical applications.

Ljungberg M, Pretorius P Br J Radiol. 2016; 91(1081):20160402.

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