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Multi-infarct dementia: a computed tomographic study.

P N Jayakumar1, A B Taly, V Shanmugam

  • 1Department of Neuroradiology, National Institute of Mental Health, Bangalore, India.

Acta Neurologica Scandinavica
|April 1, 1989
PubMed
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Multi-infarct dementia (MID) is strongly associated with brain infarcts and white matter changes, as revealed by CT scans. Cerebral atrophy also significantly correlates with the presence of dementia in these patients.

Area of Science:

  • Neurology
  • Radiology
  • Neuroimaging

Background:

  • Multi-infarct dementia (MID) is a significant cause of cognitive decline.
  • Understanding the neuroimaging correlates of MID is crucial for diagnosis and management.

Purpose of the Study:

  • To investigate the CT scan findings in patients with multi-infarct dementia.
  • To compare imaging characteristics between MID patients and healthy controls.

Main Methods:

  • Computed Tomography (CT) scans of 30 patients diagnosed with multi-infarct dementia were analyzed.
  • Patient data were compared with age- and sex-matched healthy controls.
  • Assessment included the presence of infarcts, white matter low attenuation, and cerebral atrophy parameters.

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Main Results:

  • Cerebral infarcts were detected in 93% of MID patients, compared to only 10% in controls.
  • A significant difference in white matter low attenuation was observed between the two groups.
  • All measured parameters of cerebral atrophy showed a statistically significant correlation with dementia.

Conclusions:

  • CT scan findings, including infarcts, white matter changes, and cerebral atrophy, are highly indicative of multi-infarct dementia.
  • Neuroimaging plays a vital role in identifying the pathological basis of MID.