Neuropathology of frontotemporal lobar degeneration: A review
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ABSTRACT Frontotemporal lobar degeneration (FTLD) is the second most common cause of presenile dementia. Three main clinical variants are widely recognized within the FTLD spectrum: the behavioural variant of frontotemporal dementia (bvFTD), semantic dementia (SD) and progressive non-fluent aphasia (PNFA). FTLD represents a highly heterogeneous group of neurodegenerative disorders which are best classified according to the main protein component of pathological neuronal and glial inclusions. The most common pathological class of FTLD is associated with the TDP-43 protein (FTLD-TDP), while FTLD-Tau is considered slightly less common while the FTLD-FUS (Fused in sarcoma protein) pathology is rare. In this review, these three major pathological types of FTLD are discussed.
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bvFTD is just as likely to be caused by FTLD-tau as by FTLD-TDP pathology.
“Some FTD syndromes strongly associate with FTLD-tau (i.e., PSP-RS) or FTLD-TDP (i.e., FTD-ALS) [4], but bvFTD is just as likely to be caused by either proteinopathy (with a small percentage of cases caused by rarer FTLD pathologies).”
Some FTD syndromes strongly associate with FTLD-tau (e.g., PSP-RS) or FTLD-TDP (e.g., FTD-ALS).
“Some FTD syndromes strongly associate with FTLD-tau (i.e., PSP-RS) or FTLD-TDP (i.e., FTD-ALS) [4], but bvFTD is just as likely to be caused by either proteinopathy (with a small percentage of cases caused by rarer FTLD pathologies).”
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- Authors
- Bahia, V. S., Takada, L. T., & Deramecourt, V.
- Affiliations
- Universidade de São Paulo (BR)
- Université Lille Nord de France (FR)
- Corresponding author
- Bahia, Valéria Santoro
- Venue
- Dementia & Neuropsychologia
- Publisher
- FapUNIFESP (SciELO)
- Published
- 2013-03
- Volume
- 7
- Issue
- 1
- Pages
- 19-26
- ISSN
- 1980-5764 (ISSN-L)
- PMC
- PMC5619540
- OpenAlex
- W1562489172
- Cited by
- 48
- References
- 79
- Citations by year
- 2026: 5 · 2025: 7 · 2024: 12 · 2023: 3 · 2022: 3 · 2021: 5 · 2020: 7 · 2019: 3 · 2018: 1 · 2016: 1
- FWCI
- 0.05
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by
- Locations
- Dementia & Neuropsychologia (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- Americanae (AECID Library) (submittedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Redalyc (Universidad Autónoma del Estado de México) (submittedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
- Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
- Keywords
- frontotemporal lobar degeneration, behavioral variant frontotemporal dementia, semantic dementia, progressive nonfluent aphasia, TDP-43, FTLD-tau, FUS, neurodegeneration, proteinopathies, glial inclusions, early-onset dementia
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