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An improved model for describing the contrast bolus in perfusion MRI

Purpose: Quantification of perfusion measurements using dynamic, susceptibility-weighted contrast-enhanced (DSC) MRI depends on estimating the size and shape of the tracer bolus. Typically, the bolus is described as a gamma variate function (GV) fitted to the bolus portion of tracer concentration ti...

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Autores principales: Patil, Vishal, Johnson, Glyn
Formato: Artigo
Lenguaje:Inglês
Publicado: American Association of Physicists in Medicine 2011
Materias:
Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC3230640/
https://ncbi.nlm.nih.gov/pubmed/22149821
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1118/1.3658570
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