Nonconvulsive Status Epilepticus With Neuropsychological Symptoms: Two Case Reports.

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Nonconvulsive status epilepticus with neuropsychological symptoms other than aphasia or amnesia is rare. We report two such cases. Case 1, a 62-year-old man with a history of a subcortical hemorrhage in the right lateral temporal lobe and a brain infarct in the left medial temporo-occipital lobes, suddenly developed left unilateral spatial neglect and visual object agnosia. Diffusion-weighted imaging indicated status epilepticus, not stroke. His deficits resolved immediately after treatment with diazepam and phenytoin sodium. Case 2, a 61-year-old man with a history of brain infarcts in the right lateral temporal and left medial temporo-occipital lobes, suddenly developed global aphasia and cortical deafness. An MRI revealed no new lesions, including infarcts. An EEG revealed lateralized periodic discharges in the left temporo-parieto-occipital area, and single-photon emission computed tomography revealed a transient high-uptake lesion in the left temporoparietal lobes, indicating status epilepticus. His deficits also resolved immediately after treatment with diazepam and phenytoin sodium. The two patients' neuropsychological symptoms-visual object agnosia and cortical deafness-were associated with focal nonconvulsive status epilepticus and were successfully treated with anti-epileptic medications. It is suggested that individuals with acute neuropsychological symptoms be diagnosed with MRI and/or EEG as well as CT for differential diagnoses other than cerebrovascular diseases.


View the full article @ Cognitive and behavioral neurology : official journal of the Society for Behavioral and Cognitive Neurology


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