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Transient global amnesia associated with a unilateral infarction of the fornix: case report and review of the literature.

Transient global amnesia associated with a unilateral infarction of the fornix: case report and review of the literature. Frontiers in neurology Gupta, M., Kantor, M. A., Tung, C. E., Zhang, N., Albers, G. W. 2014; 5: 291-?

Abstract

Stroke is an extremely uncommon cause of transient global amnesia (TGA). Unilateral lesions of the fornix rarely cause amnesia and have not previously been reported to be associated with the distinctive amnesic picture of TGA. We describe the case of a 60-year-old woman who presented with acute onset, recent retrograde, and anterograde amnesia characteristic of TGA. Serial magnetic resonance imaging showed a persistent focal infarction of the body and left column of the fornix, without acute lesions in the hippocampus or other structures. Amnesia resolved in 6?h. Infarction of the fornix should thus be included in the differential diagnosis of TGA, as it changes the management of this otherwise self-limited syndrome.

View details for DOI 10.3389/fneur.2014.00291

View details for PubMedID 25628601