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Original Research Article

CT Brain Findings in Clinical Dementia Investigation – Underestimation of Mixed Dementia

Nägga K.a · Rådberg C.b · Marcusson J.a

Author affiliations

Departments of aGeriatric Medicine and bRadiology, Linköping University Hospital, Linköping, Sweden

Related Articles for ""

Dement Geriatr Cogn Disord 2004;18:59–66

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Article / Publication Details

First-Page Preview
Abstract of Original Research Article

Received: October 24, 2003
Published online: June 17, 2004
Issue release date: June 2004

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 5

ISSN: 1420-8008 (Print)
eISSN: 1421-9824 (Online)

For additional information: http://www.karger.com/DEM

Abstract

Dementia has been found to display a more heterogeneous clinical picture than previously recognized. We investigated brain changes on computed tomography (CT) in a clinical dementia population consisting of 67 cases with Alzheimer’s disease (AD), 13 with mixed dementia (AD and vascular dementia, VaD), 71 with VaD, and 12 cases that were not demented. Temporal cortical atrophy and atrophy around the temporal horns were more common in patients with mixed dementia compared to patients with VaD and the non-demented, respectively. Frontal white matter changes were present in 64% of AD, in 85% of mixed dementia and in 79% of VaD cases, but there were no differences between the dementia groups. Lacunes were present in almost 40% of AD cases and in 80 and 85% of VaD and mixed dementia cases, respectively. Only 14% of the VaD cases had large infarcts on the CT. We conclude that large infarcts were rare, even in VaD cases. The increased incidence of white matter changes and lacunes in AD patients strongly indicates an underestimation of the mixed dementia diagnosis. More distinct criteria for this diagnostic category are warranted.

© 2004 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Research Article

Received: October 24, 2003
Published online: June 17, 2004
Issue release date: June 2004

Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 5

ISSN: 1420-8008 (Print)
eISSN: 1421-9824 (Online)

For additional information: http://www.karger.com/DEM


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