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KMID : 1201420130060010047
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Journal of Neurocritical Care
2013 Volume.6 No. 1 p.47 ~ p.49
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Two Cases of Fluid-Attenuated Inversion Recovery Hyperintense Vessels in Posterior Cerebral Artery
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Kim Hye-Ihn
Seo Kwon-Duk
Lee Kyung-Yul
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Abstract
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Background: Hyperintense vessel sign (HVS) is frequently observed on fluid-attenuated inversion recovery (FLAIR) imaging in stroke patients. Stationary blood flow and slow retrograde circulation due to blood vessel occlusion is suggested as the mechanism. It is occasionally detected in the anterior circulation and relatively rarely in posterior cerebral artery (PCA).
Case Report: We report two cases of PCA FLAIR HVS. FLAIR HVS was observed along the course of PCA distal to the occlusion site.
Conclusion: FLAIR HVS can be observed in patients with PCA territory infarction and it can be used as an imaging marker of arterial occlusion.
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KEYWORD
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Fluid-attenuated inversion recovery imaging, Hyperintense vessel sign, Posterior cerebral artery
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