Dual-and multi-energy CT: principles, technical approaches, and clinical applications

CH McCollough, S Leng, L Yu, JG Fletcher - Radiology, 2015 - pubs.rsna.org
In x-ray computed tomography (CT), materials having different elemental compositions can
be represented by identical pixel values on a CT image (ie, CT numbers), depending on the …

Evolution in computed tomography: the battle for speed and dose

MM Lell, JE Wildberger, H Alkadhi… - Investigative …, 2015 - journals.lww.com
The advent of computed tomography (CT) has revolutionized radiology. Starting as head-
only scanners, modern CT systems are now capable of performing whole-body …

State-of-the-art pulmonary CT angiography for acute pulmonary embolism

MH Albrecht, MW Bickford… - American Journal of …, 2017 - Am Roentgen Ray Soc
OBJECTIVE. Pulmonary CT angiography (CTA) is the imaging modality of choice in
suspected acute pulmonary embolism (PE). Current pulmonary CTA techniques involve ever …

Spectral and dual-energy X-ray imaging for medical applications

E Fredenberg - Nuclear Instruments and Methods in Physics Research …, 2018 - Elsevier
Spectral imaging is an umbrella term for energy-resolved X-ray imaging in medicine. The
technique makes use of the energy dependence of X-ray attenuation to either increase the …

Stratification, imaging, and management of acute massive and submassive pulmonary embolism

AK Sista, WT Kuo, M Schiebler, DC Madoff - Radiology, 2017 - pubs.rsna.org
While pulmonary embolism (PE) causes approximately 100 000–180 000 deaths per year in
the United States, mortality is restricted to patients who have massive or submassive PEs …

Iodine maps from subtraction CT or dual-energy CT to detect pulmonary emboli with CT angiography: a multiple-observer study

D Grob, E Smit, J Prince, J Kist, L Stöger, B Geurts… - Radiology, 2019 - pubs.rsna.org
Background Dual-energy CT iodine maps are used to detect pulmonary embolism (PE) with
CT angiography but require dedicated hardware. Subtraction CT, a software-only solution …

Combined iterative reconstruction and image‐domain decomposition for dual energy CT using total‐variation regularization

X Dong, T Niu, L Zhu - Medical physics, 2014 - Wiley Online Library
Purpose: Dual‐energy CT (DECT) is being increasingly used for its capability of material
decomposition and energy‐selective imaging. A generic problem of DECT, however, is that …

[HTML][HTML] COVID-19 pneumonia: microvascular disease revealed on pulmonary dual-energy computed tomography angiography

F Grillet, A Busse-Cote, P Calame, J Behr… - … Imaging in Medicine …, 2020 - ncbi.nlm.nih.gov
Background Increased prevalence of acute pulmonary embolism in COVID-19 has been
reported in few recent studies. Some works have highlighted pathological changes on lung …

[HTML][HTML] COVID-19: what iodine maps from perfusion CT can reveal—a prospective cohort study

MG Santamarina, D Boisier Riscal, I Beddings… - Critical Care, 2020 - Springer
Abstract Background Subtraction CT angiography (sCTA) is a technique used to evaluate
pulmonary perfusion based on iodine distribution maps. The aim of this study is to assess …

Computed tomography of acute pulmonary embolism: state-of-the-art

LJ Zhang, GM Lu, FG Meinel, AD McQuiston… - European …, 2015 - Springer
Multidetector computed tomography (CT) plays an important role in the detection, risk
stratification and prognosis evaluation of acute pulmonary embolism. This review will …