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Case Reports in Medicine
Volume 2012, Article ID 782127, 2 pages
http://dx.doi.org/10.1155/2012/782127
Case Report

Steroid-Responsive Encephalopathy Associated with Autoimmune Thyroiditis Presenting as Confusion, Dysphasia, and Myoclonus

Department of Neurology, Mercy University Hospital, Cork, Ireland

Received 29 January 2012; Accepted 17 April 2012

Academic Editor: Walter Schulz-Schaeffer

Copyright © 2012 S. A. Ryan 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

Steroid response encephalopathy associated with autoimmune thyroiditis (SREAT), or Hashimoto’s encephalopathy, is a rare disorder believed to be immune-mediated. It is most often characterized by a subacute onset of confusion with altered level of consciousness, seizures, and myoclonus. We describe the case of a 48-year-old gentleman who presented with confusion and dysphasia. Specific clinical features and laboratory results led to a diagnosis of Hashimoto’s encephalopathy. This case highlights the core features of this condition and the potential for complete response to steroid therapy.