液体衰减反转恢复血管高信号：脑血管病的一个重要影像学标志物。
Fluid-attenuated inversion recovery vascular hyperintensities: an important imaging marker for cerebrovascular disease.
机构信息
Keck School of Medicine, University of Southern California, Los Angeles, USA.
出版信息
AJNR Am J Neuroradiol. 2011 Nov-Dec;32(10):1771-5. doi: 10.3174/ajnr.A2265. Epub 2010 Nov 4.
Abstract
Vascular hyperintensities have been noted on FLAIR sequences obtained in the setting of acute stroke and intracranial steno-occlusive disease. The presence of FVHs likely represents disordered blood flow, often from collaterals distal to arterial occlusion or stenosis. As opposed to other vessel signs seen in arterial insufficiency, FVH is unique in that it does not represent thrombus, but rather sluggish or disordered blood flow through vessels. This review will discuss the diagnostic and prognostic value of FVH and its impact on clinical decision-making.
摘要
在急性脑卒中及颅内狭窄性疾病的 FLAIR 序列中可观察到血管高信号影。FVH 的存在可能代表血流紊乱，通常源自动脉闭塞或狭窄远端的侧支循环。与动脉功能不全中其他血管征象不同，FVH 的独特之处在于它不代表血栓，而是代表血管中缓慢或紊乱的血流。本文将讨论 FVH 的诊断和预后价值及其对临床决策的影响。
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