Journal
AMERICAN JOURNAL OF NEURORADIOLOGY
Volume 32, Issue 10, Pages 1771-1775Publisher
AMER SOC NEURORADIOLOGY
DOI: 10.3174/ajnr.A2265
Keywords
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Funding
- American Heart Association [0765127Y]
- Zumberge
- National Institute of Neurologic Disorders and Stroke [K23NS054084]
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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.
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