Epileptic disorders : international epilepsy journal with videotape
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Case Reports
Non-convulsive status epilepticus of frontal origin as the first manifestation of Hashimoto's encephalopathy.
Hashimoto's encephalopathy is an often misdiagnosed, life threatening, condition which improves promptly with steroid therapy. Since clinical manifestations are heterogeneous and non-specific, the diagnosis is often difficult. ⋯ This condition, which can be interpreted as a form of non-convulsive status epilepticus (NCSE) of frontal origin, was refractory to antiepileptic drugs but responded promptly to high doses of intravenous steroid treatment. In cases of unexplained encephalopathy with EEG documentation of NCSE, the early recognition and treatment of Hashimoto's encephalopathy may lead to a favourable prognosis. [Published with video sequences].