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Transient Abnormalities on Magnetic Resonance Imaging after Absence Seizures / 대한소아신경학회지
Journal of the Korean Child Neurology Society ; (4): 280-283, 2018.
Article Dans Anglais | WPRIM | ID: wpr-728807
ABSTRACT
Magnetic resonance imaging (MRI) is recommended for patients with epileptic seizures to rule out an underlying focal lesion. However, abnormalities in idiopathic generalized epilepsy, including childhood absence epilepsy, cannot usually be identified using brain imaging modalities such as MRI. Peri-ictal MRI abnormalities have been most commonly reported secondary to status epilepticus and are rarely observed in patients with focal seizures and generalized tonic-clonic seizures. Transient peri-ictal MRI abnormalities in absence epilepsy are extremely rare. A five-year-old girl presented with a three-day history of absence seizures that persisted despite continued treatment with sodium valproate. Electroencephalography showed bursts of generalized 3-Hz spike-and-wave discharges, during and after hyperventilation. Abnormal cortex thickening in the left perisylvian region was detected on T2-weighted brain MRI, and cortical dysplasia or a tumor was suspected. The patient started treatment with lamotrigine and was seizure-free after one month. The abnormal MRI lesion was completely resolved at the two-month follow-up. We report on a patient with childhood absence epilepsy and reversible brain MRI abnormalities in the perisylvian region. To our knowledge, this is the first report of transient MRI abnormalities after absence seizures. Transient peri-ictal MRI abnormalities should be considered for differential diagnosis in patients with absence seizures and a focal abnormality on brain MRI.
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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Crises épileptiques / État de mal épileptique / Encéphale / Imagerie par résonance magnétique / Études de suivi / Acide valproïque / Épilepsie généralisée / Petit mal épileptique / Diagnostic différentiel / Électroencéphalographie Type d'étude: Etude diagnostique / Étude observationnelle / Étude pronostique Limites du sujet: Femelle / Humains langue: Anglais Texte intégral: Journal of the Korean Child Neurology Society Année: 2018 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Crises épileptiques / État de mal épileptique / Encéphale / Imagerie par résonance magnétique / Études de suivi / Acide valproïque / Épilepsie généralisée / Petit mal épileptique / Diagnostic différentiel / Électroencéphalographie Type d'étude: Etude diagnostique / Étude observationnelle / Étude pronostique Limites du sujet: Femelle / Humains langue: Anglais Texte intégral: Journal of the Korean Child Neurology Society Année: 2018 Type: Article