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Diagn Interv Imaging. 2013 Dec;94(12):1211-23. doi: 10.1016/j.diii.2013.06.010. Epub 2013 Jul 11.

Arterial spin labeling (ASL) perfusion: techniques and clinical use.

Author information

1
CHU de Rennes, Department of Radiology, Hôpital Pontchaillou, 2, rue Henri-Le-Guilloux, 35033 Rennes cedex 9, France; Plateforme Neurinfo, CHU de Rennes, Hôpital Pontchaillou, 2, rue Henri-Le-Guilloux, 35033 Rennes cedex 9, France; INRIA, VisAGeS unité/projet U746, 35042 Rennes, France; INSERM VisAGeS unité/projet U746, UMR 6074, Irisa, Université Rennes 1, 35043 Rennes cedex, France. Electronic address: jean-christophe.ferre@chu-rennes.fr.

Abstract

Arterial spin labeling (ASL) perfusion is a MRI technique to quantify tissue blood flow. ASL is a non-invasive technique that labels the protons in the arterial blood by radiofrequency pulses, without the exogenous injection of contrast media. This article has three goals: 1) present the principles of ASL perfusion, the types of labeling and the ways to obtain the mapping; 2) specify and the quality criteria for the mapping obtained, while emphasizing the artifacts; and 3) describe the main encephalic and renal applications.

KEYWORDS:

Brain; Kidney; MRI; Perfusion

PMID:
23850321
DOI:
10.1016/j.diii.2013.06.010
[Indexed for MEDLINE]
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