Effect of energy difference in the evaluation of calcification size and luminal diameter in calcified coronary artery plaque using spectral CT.
Aged
Aged, 80 and over
Calcinosis
/ diagnostic imaging
Computed Tomography Angiography
/ methods
Coronary Artery Disease
/ diagnostic imaging
Coronary Vessels
/ diagnostic imaging
Female
Humans
Male
Plaque, Atherosclerotic
/ diagnostic imaging
Radiography, Dual-Energy Scanned Projection
/ methods
Retrospective Studies
Calcification
Coronary CT angiography
Dual-energy CT
Full-width at half-maximum
Profile curve
Journal
Japanese journal of radiology
ISSN: 1867-108X
Titre abrégé: Jpn J Radiol
Pays: Japan
ID NLM: 101490689
Informations de publication
Date de publication:
Dec 2020
Dec 2020
Historique:
received:
06
02
2020
accepted:
30
07
2020
pubmed:
9
8
2020
medline:
4
5
2021
entrez:
9
8
2020
Statut:
ppublish
Résumé
This study evaluated the calcium blooming-reducing effect and the differences of luminal diameter among various-energy virtual monochromatic images (VMIs) using rapid kilovolt-switching dual-energy computed tomography (DECT). Forty-five calcified segments in 31 patients were analyzed. For the analysis, 40- to 140-keV VMIs on both non-contrast CT and coronary CT angiography were generated at 10-keV steps, and calcification size and luminal diameter were measured using CT number profile curve and full-width at half-maximum method. We compared calcification size and luminal diameter on each keV VMIs with those on 70-keV VMI. There was no significant differences among the 40- to 140-keV VMIs regarding calcification size or luminal diameter. The 40- to 140-keV VMIs produced by single-source DECT had no effect on the calcification size or luminal diameter in the coronary artery.
Identifiants
pubmed: 32767199
doi: 10.1007/s11604-020-01027-y
pii: 10.1007/s11604-020-01027-y
doi:
Types de publication
Comparative Study
Evaluation Study
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1142-1149Références
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