Dementia MRI: Difference between revisions
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==Overview== | ==Overview== | ||
A [[Magnetic resonance imaging|MRI]] is commonly performed, although this modality (as is noted below) may not have optimal sensitivity for the diffuse metabolic changes associated with dementia in a patient who shows no gross neurological problems (such as paralysis or weakness) on neurological exam. MRI may suggest [[normal pressure hydrocephalus]], a potentially reversible cause of dementia, and can yield information relevant to other types of dementia, such as infarction ([[stroke]]) that would point at a vascular type of dementia. | A [[Magnetic resonance imaging|MRI]] is commonly performed, although this modality (as is noted below) may not have optimal sensitivity for the diffuse metabolic changes associated with dementia in a patient who shows no gross neurological problems (such as paralysis or weakness) on neurological exam. MRI may suggest [[normal pressure hydrocephalus]], a potentially reversible cause of dementia, and can yield information relevant to other types of dementia, such as infarction ([[stroke]]) that would point at a vascular type of dementia. | ||
Asymmetric cortical atrophy is often observed in neurodegenerative dementias and sometimes manifests as disproportionate impairments in the functions mediated by the more atrophic regions. | |||
==References== | ==References== | ||
Revision as of 02:09, 29 September 2020
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Dementia Microchapters |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: ,Sabeeh Islam, MBBS[2]
Overview
A MRI is commonly performed, although this modality (as is noted below) may not have optimal sensitivity for the diffuse metabolic changes associated with dementia in a patient who shows no gross neurological problems (such as paralysis or weakness) on neurological exam. MRI may suggest normal pressure hydrocephalus, a potentially reversible cause of dementia, and can yield information relevant to other types of dementia, such as infarction (stroke) that would point at a vascular type of dementia.
Asymmetric cortical atrophy is often observed in neurodegenerative dementias and sometimes manifests as disproportionate impairments in the functions mediated by the more atrophic regions.