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Transcranial Doppler in Dementia: A Promising Tool for Early Detection and Subtyping

Baikuntha Panigrahi1, Pradosh Kumar Sarangi2

  • 1Neurology, All India Institute of Medical Sciences, Deoghar, IND.

Cureus
|October 13, 2025
PubMed
Summary

Accessible brain imaging like Transcranial Doppler (TCD) and Transcranial Sonography (TCS) can aid early dementia diagnosis. These methods offer a low-cost alternative where advanced neuroimaging is unavailable.

Keywords:
alzheimer's diseasedementiadementia with lewy bodiesparkinson’s diseasesubstantia nigratranscranial dopplertranscranial ultrasound

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Dementia01:30

Dementia

Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual....
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