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Interpretation of fluid-attenuated inversion recovery vascular hyperintensity in stroke

Authors
 Kyung-Yul Lee  ;  Jin Woo Kim  ;  Mina Park  ;  Sang Hyun Suh  ;  Sung Jun Ahn 
Citation
 JOURNAL OF NEURORADIOLOGY, Vol.49(3) : 258-266, 2022-05 
Journal Title
JOURNAL OF NEURORADIOLOGY
ISSN
 0150-9861 
Issue Date
2022-05
MeSH
Brain Ischemia* / complications ; Brain Ischemia* / diagnostic imaging ; Collateral Circulation ; Humans ; Ischemic Stroke* ; Magnetic Resonance Imaging ; Retrospective Studies ; Stroke* / complications
Keywords
Collateral ; FLAIR ; FLAIR vascular hyperintensity (FVH) ; MRI ; Perfusion ; Stroke
Abstract
Fluid-attenuation inversion recovery (FLAIR) vascular hyperintensity (FVH) is a common presentation on brain magnetic resonance images of patients with acute ischemic stroke. This sign is known as a sluggish collateral flow. Although FVH represents the large ischemic penumbra and collateral circulation, the clinical significance of FVH has not been established. Varying protocols for FLAIR, treatment differences, and heterogeneity of endpoints across studies have complicated the interpretation of FVH in patients with acute stroke. In this review article, we describe the mechanism of FVH, as well as its association with functional outcome, perfusion-weighted images, and large artery stenosis. In addition, we review the technological variables that affect FVH and discuss the future perspectives
Full Text
https://www.sciencedirect.com/science/article/pii/S0150986121000341?via%3Dihub
DOI
10.1016/j.neurad.2021.01.009
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jin Woo(김진우) ORCID logo https://orcid.org/0000-0003-3155-0569
Park, Mina(박미나) ORCID logo https://orcid.org/0000-0002-2005-7560
Suh, Sang Hyun(서상현) ORCID logo https://orcid.org/0000-0002-7098-4901
Ahn, Sung Jun(안성준) ORCID logo https://orcid.org/0000-0003-0075-2432
Lee, Kyung Yul(이경열) ORCID logo https://orcid.org/0000-0001-5585-7739
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/188730
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