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KMID : 0359720110290030234
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Journal of the Korean Neurological Association
2011 Volume.29 No. 3 p.234 ~ p.237
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Retrograde Amnesia as a Predominant Symptom of Transient Global Amnesia
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Yi Hyon-Ah
Lee Hyung
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Abstract
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Transient global amnesia (TGA) causes retrograde amnesia, but there have been few reports of retrograde amnesia as a presenting symptom in TGA. A 52-year-old male who had acute amnesia for the past 4?years presented with TGA and recovered within 1?day. Brain magnetic resonance imaging revealed a lesion in the left hippocampus, and brain single-photon emission computed tomography revealed decreased blood flow in the left temporal and frontal areas. We speculated that hippocampal lesion with a frontal perfusion defect can be a cause of TGA.
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KEYWORD
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Retrograde amnesia, Transient global amnesia, Hippocampus
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