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Updated: Jun 19, 2026

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Abbiategrasso Brain Bank Protocol for Collecting, Processing and Characterizing Aging Brains
Published on: June 3, 2020
[Frontotemporal dementia: Review of 63 cases]
Archibaldo Donoso S1, Cristián Figueroa V, Rodrigo Gómez R
1Departamento de Neurología y Neurocirugía, Hospital Clínico de la Universidad de Chile, Santiago de Chile. adonoso@redclinicauchile.cl
Summary
Diagnosing frontotemporal dementia (FTD) is challenging, requiring careful evaluation of behavior and language. Anatomical diagnosis is definitive, though functional imaging can aid in some cases.
Area of Science:
- Neuroscience
- Neurology
- Clinical Psychology
Context:
- Frontotemporal dementias (FTD) are a group of neurodegenerative disorders.
- FTD affects behavior, emotion, and language, with relative preservation of memory.
- Key FTD subtypes include frontal/behavioral, progressive non-fluent aphasia, and semantic dementia.
Purpose:
- To describe the clinical experience with patients diagnosed with frontotemporal dementia.
- This retrospective study reviews cases evaluated between 1981 and 2008.
Summary:
- A review of 3,700 neuropsychological assessments identified 63 patients meeting FTD criteria.
- The most common FTD subtype was the frontal variant (47 cases), followed by non-fluent progressive aphasia (4 cases) and fluent progressive aphasias (6 cases).
- The average age of FTD onset was 60 years, with no familial cases identified.
Impact:
- Clinical diagnosis of FTD presents difficulties, necessitating thorough assessment of behavioral and linguistic changes.
- While structural imaging is definitive, functional imaging may provide supplementary diagnostic information.
- This study highlights the clinical presentation and subtypes of FTD in a retrospective cohort.
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