Acute Stroke Syndrome With Fixed Neurological Deficit and False‐Negative Diffusion‐Weighted Imaging
Identifieur interne : 00B821 ( Main/Merge ); précédent : 00B820; suivant : 00B822Acute Stroke Syndrome With Fixed Neurological Deficit and False‐Negative Diffusion‐Weighted Imaging
Auteurs : Wei Wang ; Steven Goldstein ; Mark L. Scheuer ; Barton F. BranstetterSource :
- Journal of Neuroimaging [ 1051-2284 ] ; 2003-04.
English descriptors
- KwdEn :
- Abnormality, Acute ischemic stroke, Acute stroke, Acute stroke syndrome, Adequate reperfusion, Apparent diffusion coefficient maps, Artery distribution, Cereb blood flow metab, Cerebral perfusion, Diffusion abnormalities, Diffusionweighted, Frequency band, Global aphasia, Imaging, Ischemia, Ischemic, Ischemic stroke, Large area, Magnetic resonance imaging, Neuroimaging, Neurological, Neurological deficit, Perfusion, Radiology, Resonance imaging, Right hemiparesis, Symptom onset, Wang.
- Teeft :
- Abnormality, Acute ischemic stroke, Acute stroke, Acute stroke syndrome, Adequate reperfusion, Apparent diffusion coefficient maps, Artery distribution, Cereb blood flow metab, Cerebral perfusion, Diffusion abnormalities, Diffusionweighted, Frequency band, Global aphasia, Imaging, Ischemia, Ischemic, Ischemic stroke, Large area, Magnetic resonance imaging, Neuroimaging, Neurological, Neurological deficit, Perfusion, Radiology, Resonance imaging, Right hemiparesis, Symptom onset, Wang.
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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<series><title level="j" type="main">Journal of Neuroimaging</title>
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<term>Acute ischemic stroke</term>
<term>Acute stroke</term>
<term>Acute stroke syndrome</term>
<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>
<term>Neuroimaging</term>
<term>Neurological</term>
<term>Neurological deficit</term>
<term>Perfusion</term>
<term>Radiology</term>
<term>Resonance imaging</term>
<term>Right hemiparesis</term>
<term>Symptom onset</term>
<term>Wang</term>
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<keywords scheme="Teeft" xml:lang="en"><term>Abnormality</term>
<term>Acute ischemic stroke</term>
<term>Acute stroke</term>
<term>Acute stroke syndrome</term>
<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>
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<term>Neurological</term>
<term>Neurological deficit</term>
<term>Perfusion</term>
<term>Radiology</term>
<term>Resonance imaging</term>
<term>Right hemiparesis</term>
<term>Symptom onset</term>
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<front><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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