“ This is the most common degenerative dementia. It affects up to 50% of those aged >85 years. CT/MRI • Hippocampal atrophy is the card...
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This is the most common degenerative dementia. It affects up to 50% of those aged >85 years.
• Hippocampal atrophy is the cardinal feature. Perihippocampal fissures are more prominent.
• Focal atrophic change in the medial temporal lobe with subsequent marked enlargement of the temporal horns.
• Suprasellar cisterns and Sylvian fissures are also dilated (not the case with normal ageing).
• Spares the deep white matter, basal ganglia and cerebellum.
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