![]() ![]() We report the first case of a patient fulfilling the clinical criteria for TEA in the presence of a focal hippocampal lesion on diffusion imaging, and argue that, in this constellation, early post-stroke seizures are the most likely diagnosis.Ī 70-year-old man presented to the emergency department after a 30-min episode of anterograde amnesia and disorientation. In TGA, punctate hippocampal foci of restricted diffusion develop in up to over 80% of patients. Diffusion abnormalities on magnetic resonance imaging (MRI) are rarely observed in TEA, tend to be diffuse, and likely represent a postictal phenomenon. ![]() Memory impairment in TGA, in contrast, lasts longer, rarely recurs, and is not believed to be of epileptic origin. Diagnostic criteria for TEA are recurrent short episodes of disturbed memory sparing of other cognitive domains and clinical or electroencephalographic (EEG) evidence of seizure activity or response to anticonvulsant medication. The Creative Commons Public Domain Dedication waiver ( ) applies to the data made available in this article, unless otherwise stated in a credit line to the data.ĭifferential diagnoses for atraumatic temporary memory loss include cerebral ischemia, transient epileptic amnesia (TEA), and transient global amnesia (TGA). If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. ![]() The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. ![]()
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