Carotid artery atherosclerosis: in vivo morphologic characterization with gadolinium-enhanced double-oblique MR imaging initial results.
Radiology
; 223(2): 566-73, 2002 May.
Article
em En
| MEDLINE
| ID: mdl-11997569
ABSTRACT
In nine subjects with carotid atherosclerosis, double-oblique, contrast material-enhanced, double inversion-recovery, fast spin-echo magnetic resonance (MR) images were acquired through atheroma in the proximal internal carotid artery. Fibrocellular tissue within atheroma selectively enhanced 29% after administration of gadolinium-based contrast agent. Contrast enhancement helped discriminate fibrous cap from lipid core with a contrast-to-noise ratio as good as or better than that with T2-weighted MR images but with approximately twice the signal-to-noise ratio (postcontrast images, 36.6 +/- 3.6; T2-weighted images, 17.5 +/- 2.1; P <.001).
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Base de dados:
MEDLINE
Assunto principal:
Imageamento por Ressonância Magnética
/
Doenças das Artérias Carótidas
/
Gadolínio DTPA
Limite:
Aged
/
Aged80
/
Female
/
Humans
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Male
/
Middle aged
Idioma:
En
Ano de publicação:
2002
Tipo de documento:
Article