Abstract
Nonconvulsive status epilepticus usually presents with altered mentation without distinct manifestations of seizures. It may be related with various medical disorders. Hashimoto’s encephalopathy is characterized by various neurological manifestations accompanied by high titers of anti-thyroid antibodies. Here, we report a patient with nonconvulsive status epilepticus caused by Hashimoto’s encephalopathy who showed a dramatic response to steroids. (Korean J Clin Neurophysiol 2014;16:70-73)
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Figure 1.
Diffusion MRI shows no acute lesion other than remnant tumor and minimal hematoma in left pons and cerebellum.
![kjcn-16-70f1.tif](/upload/SynapseXML/1208kjcn/thumb/kjcn-16-70f1.gif)
Figure 2.
Frequent sharp-and-slow waves are observed in the left occipital area (A). Intermittent rhythmic delta activity in the left occipital area spreads to the right occipital and bilateral frontotemporal area with evolution to higher amplitude (B).
![kjcn-16-70f2.tif](/upload/SynapseXML/1208kjcn/thumb/kjcn-16-70f2.gif)