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Three-dimensional Reconstruction of Carotid Arteries using Computed Tomography Angiography

Vassiliki Kigka, Savvas Kyriakidis, Antonis Sakellarios, Vassiliki Potsika, Vasilis Tsakanikas, Dimitra Loggitsi, Lampros K. Michalis, Dimitrios I. Fotiadis
2020 Zenodo  
wall segmentation and in 30 slices as far as the atherosclerotic plaques is concerned.  ...  ) the inner wall, outer wall and calcified plaques segmentation, (iv) the noncalcified plaques segmentation and finally (v) the 3D models construction.  ...  An extended algorithm for the 3D reconstruction of carotid arteries atherosclerotic plaques using CTA imaging modality was developed and calibrated based on the CTA images quality, the CTA scanners and  ... 
doi:10.5281/zenodo.4400034 fatcat:45dgckdivjc6xgufzxnzl5uqka

Region based level set segmentation of the outer wall of the carotid bifurcation in CTA

D. Vukadinovic, T. van Walsum, R. Manniesing, S. Rozie, A. van der Lugt, W. J. Niessen, David R. Haynor, Benoit M. Dawant
2011 Medical Imaging 2011: Image Processing  
This paper presents a level set based method for segmenting the outer vessel wall and plaque components of the carotid artery in CTA.  ...  The combined result of both classifications is used to construct a speed function for level set based segmentation of the outer vessel wall; the segmented lumen is used to initialize the level set.  ...  The method thus has large potential for the automated quantification of carotid artery plaque components.  ... 
doi:10.1117/12.878114 dblp:conf/miip/VukadinovicWMRL11 fatcat:hk5dmvvjljgnjphjt5qpxx353m

Semi-automatic level-set based segmentation and stenosis quantification of the internal carotid artery in 3D CTA data sets

Holger Scherl, Joachim Hornegger, Marcus Prümmer, Michael Lell
2007 Medical Image Analysis  
We present a new level-set based method to segment and quantify stenosed internal carotid arteries (ICAs) in 3D contrast-enhanced computed tomography angiography (CTA).  ...  and there is no sharp border between lumen and arterial wall.  ...  Ulrich Baum and Dr. med. Katharina Anders for scoring the clinical data. We would also like to thank Andreas Wimmer for the implementation of the geodesic active contour model.  ... 
doi:10.1016/j.media.2006.09.004 pmid:17126064 fatcat:7xyhiaoofrgjrbopxcxs4yj2me

Lumen segmentation and stenosis quantification of atherosclerotic carotid arteries in CTA utilizing a centerline intensity prior

Hui Tang, Theo van Walsum, Reinhard Hameeteman, Rahil Shahzad, Lucas J van Vliet, Wiro J Niessen
2013 Medical Physics (Lancaster)  
The purpose of our work is to develop and evaluate a semiautomatic method for carotid lumen segmentation and subsequent carotid artery stenosis quantification in CTA images.  ...  Conclusions: With these results, the method ranks second in terms of carotid lumen segmentation accuracy, and first in terms of carotid artery stenosis quantification.  ...  for carotid lumen segmentation in CTA.  ... 
doi:10.1118/1.4802751 pmid:23635269 fatcat:qi2zyle5tjhl5epcg2y2xt22ti

Relationship Between Carotid Disease on Ultrasound and Coronary Disease on CT Angiography

Gerald I. Cohen, Rabeea Aboufakher, Renee Bess, John Frank, Mahmoud Othman, Dennis Doan, Nancy Mesiha, Howard S. Rosman, Susan Szpunar
2013 JACC Cardiovascular Imaging  
Carotid plaque was present in 71.3% (n ¼ 107), whereas the presence of at least 1 coronary artery with disease on CTA was present in 57.1% (n ¼ 84).  ...  Similarly carotid plaque was present in 52.4% (33 of 63) of subjects with no CTA evidence  ...  Carotid plaque and increased carotid IMT are associated with the presence and severity of coronary calcification and disease on CTA in ambulatory subjects.  ... 
doi:10.1016/j.jcmg.2013.06.007 pmid:24229768 fatcat:wpar2chmyjdjjlwu3wrnpj4yom

Evaluation of Computer-Assisted Quantification of Carotid Artery Stenosis

Christina Biermann, Ilias Tsiflikas, Christoph Thomas, Bernadette Kasperek, Martin Heuschmid, Claus D. Claussen
2011 Journal of digital imaging  
At least 1 day later, they performed quantification using an advanced vessel analysis software including automatic dual-energy bone and hard plaque removal, automatic and semiautomatic vessel segmentation  ...  Even inexperienced readers are able to achieve good results in the assessment of carotid artery stenosis when using advanced vessel analysis software.  ...  Carotid arteries of both sides are segmented and two arteries are visualized in CPR view. Selection of other carotid artery is possible via selection of labels in VRT.  ... 
doi:10.1007/s10278-011-9413-y pmid:21786073 pmcid:PMC3295974 fatcat:iakrqzuyz5fqxgezqh22muumfi

Inter-reader agreement of 18F-FDG PET/CT for the quantification of carotid artery plaque inflammation [article]

Kjersti Johnsrud, Therese Seierstad, David Russell, Mona-Elisabeth Revheim
2019 biorxiv/medrxiv   pre-print
The aim of our study was to assess the inter-reader variability of different methods for quantification of 18 F-FDG uptake in carotid atherosclerotic plaques with a separate CT angiography (CTA) providing  ...  Conclusions : Quantification methods without background correction have the highest inter-reader agreement for 18 F-FDG PET of carotid artery plaque inflammation.  ...  Acknowledgements The authors would like to thank the bioengineers and radiographers of The Department of Nuclear Medicine for their help in performing the study.  ... 
doi:10.1101/807420 fatcat:pfp7wfh4gjg47n6zbgonyq5qxq

Multi-modal CT scanning in the evaluation of cerebrovascular disease patients

Luca Saba, Michele Anzidei, Mario Piga, Federica Ciolina, Lorenzo Mannelli, Carlo Catalano, Jasjit S Suri, Eytan Raz
2014 Cardiovascular Diagnosis and Therapy  
CT in particular represents an advanced system to explore the pathology of carotid arteries and intracranial vessels and also offers tools like CT perfusion (CTP) that provides valuable information of  ...  In this review, our purpose is to discuss stroke risk prediction and detection using CT.  ...  Acknowledgements The authors are deeply grated to Mrs Lia Tsarnas for her precious help in revising the manuscript. Disclosure: The authors declare no conflict of interest.  ... 
doi:10.3978/j.issn.2223-3652.2014.06.05 pmid:25009794 pmcid:PMC4069983 fatcat:h6v6dhh4wfg7hmzazsxfo63kc4

Lumen segmentation of atherosclerotic carotid arteries in CTA

Hui Tang, Theo van Walsum, Reinhard Hameeteman, Michiel Schaap, Aad van der Lugt, Lucas J. van Vliet, Wiro J. Niessen
2012 2012 9th IEEE International Symposium on Biomedical Imaging (ISBI)  
Although lumen segmentation in CTA has received considerable interest, it remains a challenge for atherosclerotic vessels.  ...  Lumen segmentation is relevant for quantification of the degree of stenoses and as preprocessing step for the analysis of the vessel wall, and for the simulation and planing of interventions.  ...  Fig. 1 (c) shows an example of the gradient magnitude of a carotid artery in CTA.  ... 
doi:10.1109/isbi.2012.6235537 dblp:conf/isbi/TangWHSLVN12 fatcat:ldybwyw7d5f5dd7ylialhow34m

PET/CT Imaging of Unstable Carotid Plaque with68Ga-Labeled Somatostatin Receptor Ligand

Ming Young Simon Wan, Raymond Endozo, Sofia Michopoulou, Robert Shortman, Manuel Rodriguez-Justo, Leon Menezes, Syed Yusuf, Toby Richards, Damian Wild, Beatrice Waser, Jean Claude Reubi, Ashley Groves
2016 Journal of Nuclear Medicine  
SUVs and target-to-background ratios for the symptomatic plaques and the asymptomatic contralateral carotid arteries/plaques showed no significant difference (n 5 19, P . 0.10), regardless of quantification  ...  The intraclass correlation coefficient was greater than 0.8 in all measures of carotid artery/plaque uptake (SUV) and greater than 0.6 in almost all measures of target-to-background ratio.  ...  (C and F) Segmented plaque on CTA from a different level, with color-coded scale showing plaque compositions.  ... 
doi:10.2967/jnumed.116.181438 pmid:27932558 fatcat:g3f5a3cqhnb6ng3llgswzmwdom

Agreement between multi-detector-row CT angiography and US-ECD in quantification of carotid artery stenosis and plaque characterization

Sameh Abd El Raouf, Amal Amin Abu El Maati, Nivine Chalabi
2014 The Egyptian Journal of Radiology and Nuclear Medicine  
Conclusion: We observed a good agreement between US-ECD and MDCTA in the quantification of carotid artery stenosis and the assessment of plaque type.  ...  Purpose: The purpose of this work was to evaluate the agreement between ultra-sound echo-color Doppler (US-ECD) and multi-detector-row CT angiography (MDCTA) in the quantification of carotid artery stenosis  ...  (B) In CTA axial image is clearly visible a big calcified plaque starting at the right common carotid artery and extending to the bifurcation and right internal carotid artery.  ... 
doi:10.1016/j.ejrnm.2013.12.001 fatcat:e3naqk7kyffdzngrjpkwm5bmtq

Doppler-Ultrasound and computed tomography correlation for quantification of carotid stenosis

2016 Medical Imaging & Interventional Radiology  
Doppler-Ultrasound and computed tomography correlation for quantification of carotid stenosis.  ...  Aim of this study was to assess the correlation between 64-multi-detector-row computed-tomography angiography (MDCTA) and Doppler ultrasound peak-systolic-velocity (DUS-PSV) in the quantification of stenosis  ...  Therefore, the purpose of our study was to evaluate the correlation between results of 64 multi-detector-row CTA (MDCTA) and DUS-PSV in the quantification of carotid artery stenosis.  ... 
doi:10.14800/miir.1032 fatcat:4xdgb755kfanxezh25ntt7sfmu

Dual Energy Computed Tomography of Internal Carotid Artery: A Modified Dual-Energy Algorithm for Calcified Plaque Removal, Compared With Digital Subtraction Angiography

Hongying Qu, Yongan Gao, Meiling Li, Shuo Zhai, Miao Zhang, Jie Lu
2021 Frontiers in Neurology  
Computed tomography angiography (CTA) is a common tool for evaluation of internal carotid artery (ICA) stenosis.  ...  Atherosclerotic disease of the internal carotid artery (ICA) is a common reason for ischemic stroke.  ...  (A) Axial conventional CTA at the location of calcified carotid artery stenosis (arrow). (B,C) Axial VNCa 1 and MIP at the location of calcified carotid artery stenosis (arrow).  ... 
doi:10.3389/fneur.2020.621202 pmid:33633659 pmcid:PMC7901888 fatcat:e7u6ul6cjbat7jgimxlplgdh7e

Computed Tomography and Magnetic Resonance Imaging for Noninvasive Coronary Angiography and Plaque Imaging

Zahi A. Fayad, Valentin Fuster, Konstantin Nikolaou, Christoph Becker
2002 Circulation  
The online figure is available in an online-only Data Supplement at http://www.circulationaha.org. Correspondence to Zahi Fayad, PhD,  ...  We thank Dr Bernd Ohnesorge for his help in the initial writing of the manuscript and for stimulating discussions and suggestions. We also acknowledge Bob Guerra for manuscript editing.  ...  Acknowledgments Supported in part by grants from the New York Community Trust, NHLBI-NIH P50-HL-54469, R01-HL-61801, R01-HL-61814, and by funds by the Cardiovascular Institute and Department of Radiology  ... 
doi:10.1161/01.cir.0000034392.34211.fc pmid:12370230 fatcat:bzb4folvevev5cly7dg4soijh4

Carotid plaque imaging and the risk of atherosclerotic cardiovascular disease

Guangming Zhu, Jason Hom, Ying Li, Bin Jiang, Fatima Rodriguez, Dominik Fleischmann, David Saloner, Michele Porcu, Yanrong Zhang, Luca Saba, Max Wintermark
2020 Cardiovascular Diagnosis and Therapy  
In this article, we review the studies of imaging specific carotid plaque components and their correlation with risk scores.  ...  Carotid artery plaque is a measure of atherosclerosis and is associated with future risk of atherosclerotic cardiovascular disease (ASCVD), which encompasses coronary, cerebrovascular, and peripheral arterial  ...  Figure 3 3 Semi-automatic segmentation and analysis of carotid plaques on CTA.  ... 
doi:10.21037/cdt.2020.03.10 pmid:32968660 pmcid:PMC7487384 fatcat:qufpim5zj5g3hgvzf3k3vrq5fa
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