Presentation
Episodes of memory loss over the last 6 months, currently undergoing a clinical investigation for dementia.
Patient Data
Age: 60 years
Gender: Female
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MRI demonstrates small punctate hyperintense foci on the lateral edge of the left hippocampus on diffusion-weighted imaging, with corresponding decreased ADC at the same location. There are no other pathological findings.
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Foci on the lateral edge of the left hippocampus on diffusion-weighted imaging, with decreased ADC at the same location (red arrows).
Case Discussion
The main importance of lesion detection in transient global amnesia (TGA) is to exclude urgent differential diagnoses, such as transient ischemic attack (TIA), seizures, and drug-induced amnesia.