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Acute Stroke Syndrome With Fixed Neurological Deficit and False‐Negative Diffusion‐Weighted Imaging

Identifieur interne : 00B821 ( Main/Merge ); précédent : 00B820; suivant : 00B822

Acute Stroke Syndrome With Fixed Neurological Deficit and False‐Negative Diffusion‐Weighted Imaging

Auteurs : Wei Wang ; Steven Goldstein ; Mark L. Scheuer ; Barton F. Branstetter

Source :

RBID : ISTEX:89D09BC0D7AB9D1247FE8D31EC77E0F384B2465E

English descriptors

Abstract

Diffusion‐weighted imaging (DWI) is sensitive for the detection of acute ischemic stroke. However, a negative DWI study of the brain does not always exclude a patient from the possibility of acute cerebral ischemia. The authors report 1 case in which the patient presented with a fixed ischemic neurological deficit (National Institute of Health Stroke Scale score = 22) that included global aphasia, right hemiparesis, and a right visual field neglect. The initial DWI of the brain within 27 hours of symptom onset was negative. The deficit persisted, and a repeat magnetic resonance imaging study 7 days later showed a large area of restricted diffusion involving the gray matter of the entire left middle cerebral artery and anterior cerebral artery distribution, indicating a large area of cortical stroke.

Url:
DOI: 10.1111/j.1552-6569.2003.tb00174.x

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ISTEX:89D09BC0D7AB9D1247FE8D31EC77E0F384B2465E

Le document en format XML

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<name sortKey="Scheuer, Mark L" sort="Scheuer, Mark L" uniqKey="Scheuer M" first="Mark L." last="Scheuer">Mark L. Scheuer</name>
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<term>Abnormality</term>
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<term>Adequate reperfusion</term>
<term>Apparent diffusion coefficient maps</term>
<term>Artery distribution</term>
<term>Cereb blood flow metab</term>
<term>Cerebral perfusion</term>
<term>Diffusion abnormalities</term>
<term>Diffusionweighted</term>
<term>Frequency band</term>
<term>Global aphasia</term>
<term>Imaging</term>
<term>Ischemia</term>
<term>Ischemic</term>
<term>Ischemic stroke</term>
<term>Large area</term>
<term>Magnetic resonance imaging</term>
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<term>Perfusion</term>
<term>Radiology</term>
<term>Resonance imaging</term>
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<term>Symptom onset</term>
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<div type="abstract" xml:lang="en">Diffusion‐weighted imaging (DWI) is sensitive for the detection of acute ischemic stroke. However, a negative DWI study of the brain does not always exclude a patient from the possibility of acute cerebral ischemia. The authors report 1 case in which the patient presented with a fixed ischemic neurological deficit (National Institute of Health Stroke Scale score = 22) that included global aphasia, right hemiparesis, and a right visual field neglect. The initial DWI of the brain within 27 hours of symptom onset was negative. The deficit persisted, and a repeat magnetic resonance imaging study 7 days later showed a large area of restricted diffusion involving the gray matter of the entire left middle cerebral artery and anterior cerebral artery distribution, indicating a large area of cortical stroke.</div>
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