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We examined CTs of patients with senile dementia of the Alzheimer type and age-matched normal controls. Cerebral atrophy was associated with advancing age and the presence, but not the degree, of dementia. CT density numbers in 14 separate brain regions were not related to age or to the presence or degree of dementia. The findings failed to support other reports of decreased CT density in dementia and suggest that the role of CT scan in the evaluation of dementia is limited to ruling out mass lesions.
Wilson et al. (Wed,) studied this question.