Potential Effect of Fetal Origin of Posterior Cerebral Artery on the Arterial Spin Labeling Sequence - 06/11/19
, Bruno Law Ye, MD 2, Damien Galanaud, MD PhD 2, Didier Dormont, MD 2, Nadya Pyatigorskaya, MD PhD 2This article has been published in an issue click here to access
Highlights |
• | Arterial Spin Labeling (ASL) is prone to a number of artifacts, which may affect its diagnostic accuracy. |
• | Perfusion asymmetry in the posterior cerebral artery (PCA) territory can be induced by a fetal-type PCA. |
• | Include structural MRI sequences to rule out pathology mimickers. |
Abstract |
Arterial Spin Labeling (ASL) is prone to a number of artifacts, which may affect its diagnostic accuracy. To avoid these pitfalls, possible effects on the ASL measurements should be identified. Perfusion asymmetry in the posterior cerebral artery (PCA) territory may be induced by the fetal-type PCA. Whenever a posterior left-right asymmetry is observed on the ASL, structural MR images should be taken into account to rule out cerebrovascular pathology mimickers such as unilateral fetal-type PCA.
El texto completo de este artículo está disponible en PDF.Abbreviations : ASL, CBF, PCA, MR
Keywords : cerebral blood flow, perfusion, posterior cerebral artery, arterial spin labeling
Bienvenido a EM-consulte, la referencia de los profesionales de la salud.
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