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KMID : 1031120180080020090
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Journal of Epilepsy Research
2018 Volume.8 No. 2 p.90 ~ p.92
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Acute Ischemic Stroke Mimicking Non-Convulsive Status Epilepticus
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Kim Ah-Won
Hong Sang-Bin
Lee Seon-Kyung
Mo Hee-Jung
Koo Dae-Lim
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Abstract
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Status epilepticus and stroke are occasionally characterized by indistinguishable symptoms. Diffusion-weighted imaging (DWI) could not only help differentiating seizure from stroke, but also assist in localizing a focus of seizure and reflect resolution of seizure. We report a case of non-convulsive status epilepticus that presented as acute ischemic stroke, mimicking the latter’s clinical manifestations. A 77-year-old right-handed man visited the emergency room with complaints of impaired awareness and fluency with right hemiparesis. Moreover, he presented with first-onset focal to bilateral tonic-clonic seizure with eyeball deviation to the right for 1 minute. Magnetic resonance imaging showed hyperintensity on DWI with a reduced apparent diffusion coefficient (ADC) value in the left pulvinar and left temporo-occipital areas. However, eyeball deviation to the right was not matched with left hemispheric stroke. Electroencephalography (EEG) confirmed ictal discharges in the left temporal area, which were compatible with impaired awareness, ictal aphasia, and eyeball deviation to the right. In cases of conflicting results from neurological examination and DWI/ADC findings, clinicians should consider employing EEG for diagnosing and treating non-convulsive status epilepticus.
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KEYWORD
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Status epilepticus, Stroke, Electroencephalography, Magnetic resonance imaging
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