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Related Experiment Video

Updated: Jul 14, 2026

Brain Infarct Segmentation and Registration on MRI or CT for Lesion-symptom Mapping

Brain Infarct Segmentation and Registration on MRI or CT for Lesion-symptom Mapping

Published on: September 25, 2019

FLAIR vascular hyperintensity may predict stroke after TIA.

Nerses Sanossian¹, Beau M Ances, Samir H Shah

¹Department of Neurology, University of Southern California, Los Angeles, CA 90033, United States. sanossia@yahoo.com

Clinical Neurology and Neurosurgery

|July 3, 2007

Summary

Isolated FLAIR vascular hyperintensities (FVH) on MRI may predict stroke risk in patients experiencing a transient ischemic attack (TIA). This subtle imaging finding suggests potential proximal occlusion and retrograde leptomeningeal collaterals, aiding stroke prediction.

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Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

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Published on: January 18, 2018

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Last Updated: Jul 14, 2026

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Published on: September 25, 2019

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Published on: January 18, 2018

Area of Science:

Neurology
Neuroradiology
Stroke Medicine

Background:

FLAIR vascular hyperintensities (FVH) are common findings in acute ischemic stroke.
Transient ischemic attack (TIA) requires accurate risk stratification for subsequent stroke.
Identifying subtle imaging markers is crucial for predicting stroke risk after TIA.

Observation:

Two cases of TIA with isolated FLAIR vascular hyperintensities (FVH) on MRI were observed.
These patients subsequently experienced a stroke during hospitalization.

Findings:

Isolated FVH on MRI may serve as an important imaging correlate in acute ischemia.
The presence of isolated FVH could indicate proximal arterial occlusion.
This finding may be associated with slow flow through retrograde leptomeningeal collaterals.

Implications:

Isolated FVH may complement clinical predictors for stroke risk after TIA.
Early recognition of isolated FVH could lead to timely interventions.
This imaging pattern warrants further investigation in TIA patients for stroke prediction.