3D time-resolved contrast-enhanced cerebrovascular MR angiography with subsecond frame update times using radial k-space trajectories and highly constrained projection reconstruction.
AJNR Am J Neuroradiol
; 28(10): 2001-4, 2007.
Article
em En
| MEDLINE
| ID: mdl-17928376
ABSTRACT
HYPR TRICKS is an acquisition method that combines radial k-space trajectories, sampling k-space at different rates (TRICKS), and a new strategy for image reconstruction that uses highly constrained backprojection reconstruction (HYPR). This approach provides 3D time-resolved contrast-enhanced MR angiograms of the cerebral vessels with subsecond frame update times and submillimeter in-plane spatial resolution. Artifacts are suppressed, and signal-to-noise ratio is well maintained, by using HYPR reconstruction.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Processamento de Imagem Assistida por Computador
/
Artérias Cerebrais
/
Angiografia por Ressonância Magnética
/
Imageamento Tridimensional
Tipo de estudo:
Diagnostic_studies
Limite:
Humans
Idioma:
En
Revista:
AJNR Am J Neuroradiol
Ano de publicação:
2007
Tipo de documento:
Article
País de afiliação:
Estados Unidos