Transient global amnesia
Presented with few hours history of amnesia preceded by strenuous work out.
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Tiny foci of restricted diffusion are seen on DWI and ADC map in the lateral hippocampi bilaterally, slightly larger on the right.
No other clinically significant parenchymal abnormality is demonstrated.
Bilateral maxillary sinuses mucosal thickening noted.
The case presents typical imaging features of transient global amnesia including hippocampal areas of restricted diffusion.
While emboli could give similar appearances and potential differential diagnosis, no neurological deficit clinically was appreciated.