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Case Reports in Medicine
Volume 2016, Article ID 1267192, 4 pages
http://dx.doi.org/10.1155/2016/1267192
Case Report

Paroxysmal Amnesia Attacks due to Hashimoto’s Encephalopathy

Department of Neurology, Faculty of Medicine, Uludag University, 16285 Bursa, Turkey

Received 6 December 2015; Accepted 11 February 2016

Academic Editor: Mark E. Shaffrey

Copyright © 2016 Pelin Nar Senol et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Hashimoto’s encephalopathy is a rare disease which is thought to be autoimmune and steroid responsive. The syndrome is characterized by cognitive impairment, encephalopathy, psychiatric symptoms, and seizures associated with increased level of anti-thyroid antibodies. The exact pathophysiology underlying cerebral involvement is still lesser known. Although symptoms suggest a nonlesional encephalopathy in most of the cases, sometimes the clinical appearance can be subtle and may not respond to immunosuppressants or immunomodulatory agents. Here we report a case who presented with drowsiness and amnestic complaints associated with paroxysmal electroencephalography (EEG) abnormalities which could be treated only with an antiepileptic drug.