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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.
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Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
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Updated: Sep 13, 2025

Abbiategrasso Brain Bank Protocol for Collecting, Processing and Characterizing Aging Brains
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Dementia With Lewy Bodies.

Bhavana R Patel

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    Summary

    Early diagnosis of dementia with Lewy bodies (DLB) and its prodromal phase is crucial for preventing complications and enabling timely interventions. Advances in biomarkers aid in recognizing individuals at risk for this complex neurodegenerative disease.

    Area of Science:

    • Neurology
    • Neuroscience
    • Geriatrics

    Background:

    • Dementia with Lewy bodies (DLB) is a complex neurodegenerative disorder.
    • DLB often presents with overlapping symptoms with other dementias, complicating diagnosis.
    • Copathology, particularly with Alzheimer disease, exacerbates cognitive decline and mortality risk.

    Purpose of the Study:

    • To review the diagnostic criteria for dementia with Lewy bodies (DLB).
    • To discuss the prodromal phase of DLB for earlier risk identification.
    • To outline current management strategies for DLB.

    Main Methods:

    • Review of diagnostic criteria for DLB and its prodromal syndromes.
    • Analysis of recent advancements in biomarker development for DLB.

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  • Discussion of interdisciplinary approaches to DLB management.

    • Main Results:

    • Diagnostic criteria for prodromal DLB enable earlier recognition of at-risk individuals.
    • Biomarker advances include phosphorylated α-synuclein detection and CSF α-synuclein seed amplification assays.
    • Optimized diagnosis and management require an interdisciplinary approach, considering frequent copathology.

    Conclusions:

    • Earlier recognition of DLB and its prodromal phase can prevent iatrogenic complications.
    • Biomarkers are essential for guiding accurate diagnosis and management of DLB.
    • An integrated approach is vital for managing the complexity of DLB and its impact on patients and families.