Thalamic amnesia mimicking transient global amnesia

Nadia M. Giannantoni, Giordano Lacidogna, Aldobrando Broccolini, Fabio Pilato, Paolo Profice, Roberta Morosetti, Pietro Caliandro, Giovanni Gambassi, Giacomo Della Marca, Giovanni Frisullo

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Transient global amnesia is a benign syndrome and one of the most frequent discharges from the emergency department that can hardly be distinguished from other mimicking diseases. No consensus in the evaluation of transient global amnesia has yet been found in the emergency setting. Case Report: We describe a 69-year-old woman who presented to our emergency department with an abrupt onset of anterograde amnesia, preceded by a similar amnesic episode misinterpreted as transient global amnesia. Neuroradiologic, neuropsychological, and neurophysiological evaluations supported the diagnosis of vascular thalamic amnesia. Conclusions: We report a patient who clinically fulfilled transient global amnesia's criteria and in whom nevertheless was disclosed a thalamic ischemic lesion on neuroimaging. This case report highlights the importance of performing neuroradiologic screening in the emergency department even when clinical history and physical findings are highly suggestive for transient global amnesia.

Original languageEnglish
Pages (from-to)149-152
Number of pages4
JournalNeurologist
Volume19
Issue number6
DOIs
Publication statusPublished - Jul 1 2015

Keywords

  • ED
  • MRI
  • Stroke
  • Thalamic amnesia
  • Transient global amnesia

ASJC Scopus subject areas

  • Clinical Neurology

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