Dementia CT

Dementia Microchapters
Patient Information
Overview
Classification
Causes Alzheimer's Disease Parkinson's Disease Binswanger's Disease Dementia with Lewy bodies Thiamine deficiency Vascular dementia Marijuana abuse AIDS Neurosyphilis Normal pressure hydrocephalus Vitamin B12 deficiency Vitamin B6 deficiency
Differential Diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

A CT scan 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. CT 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.