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Prediction of pathology in primary progressive language and speech disorders
Deramecourt V, Lebert F, Debachy B, Mackowiak-Cordoliani MA, Bombois S, Kerdraon O, Buée L, Maurage CA et al.. Neurology, 2009-11-25
Topic: Risk, prevention and care in population studies
Objective Frontotemporal lobar degeneration (FTLD) encompasses a variety of clinicopathologic entities. The antemortem prediction of the underlying pathologic lesions is reputed to be difficult. This study sought to characterize correlations between 1) the different clinical variants of primary progressive language and speech disorders and 2) the pathologic diagnosis. Methods The latter was available for 18 patients having been prospectively monitored in the Lille Memory Clinic (France) between 1993 and 2008. Results The patients were diagnosed with progressive anarthria (n = 5), agrammatic progressive aphasia (n = 6), logopenic progressive aphasia (n = 1), progressive jargon aphasia (n = 2), typical semantic dementia (n = 2), and atypical semantic dementia (n = 2). All patients with progressive anarthria had a tau pathology at postmortem evaluation: progressive supranuclear palsy (n = 2), Pick disease (n = 2), and corticobasal degeneration (n = 1). All patients with agrammatic primary progressive aphasia had TDP-43-positive FTLD (FTLD-TDP). The patients with logopenic progressive aphasia and progressive jargon aphasia had Alzheimer disease. Both cases of typical semantic dementia had FTLD-TDP. The patients with atypical semantic dementia had tau pathologies: argyrophilic grain disease and corticobasal degeneration. Conclusions The different anatomic distribution of the pathologic lesions could explain these results: opercular and subcortical regions in tau pathologies with progressive anarthria, the left frontotemporal cortex in TDP-43-positive frontotemporal lobar degeneration (FTLD-TDP) with agrammatic progressive aphasia, the bilateral lateral and anterior temporal cortex in FTLD-TDP or argyrophilic grain disease with semantic dementia, and the left parietotemporal cortex in Alzheimer disease with logopenic progressive aphasia or jargon aphasia. These correlations have to be confirmed in larger series.
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APA 7th
Deramecourt, V., Lebert, F., Debachy, B., Mackowiak-Cordoliani, M. A., Bombois, S., Kerdraon, O., et al. (2010). Prediction of pathology in primary progressive language and speech disorders. Neurology. https://doi.org/10.1212/wnl.0b013e3181c7198e
Vancouver
Deramecourt V, Lebert F, Debachy B, Mackowiak-Cordoliani MA, Bombois S, Kerdraon O, et al. Prediction of pathology in primary progressive language and speech disorders. Neurology. 2010. doi:10.1212/wnl.0b013e3181c7198e. PMID: 19940270.
BibTeX
@article{deramecourt2010-19940270,
author = {Deramecourt, V. and Lebert, F. and Debachy, B. and Mackowiak-Cordoliani, M. A. and Bombois, S. and Kerdraon, O. and Buée, L. and Maurage, C. A. and others},
title = {{Prediction of pathology in primary progressive language and speech disorders}},
journal = {Neurology},
year = {2010},
doi = {10.1212/wnl.0b013e3181c7198e},
pmid = {19940270},
url = {https://doi.org/10.1212/wnl.0b013e3181c7198e}
}
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Key findings
- Results The patients were diagnosed with progressive anarthria (n = 5), agrammatic progressive aphasia (n = 6), logopenic progressive aphasia (n = 1), progressive jargon aphasia (n = 2), typical semantic dementia (n = 2), and atypical semantic dementia (n = 2).
- Conclusions The different anatomic distribution of the pathologic lesions could explain these results: opercular and subcortical regions in tau pathologies with progressive anarthria, the left frontotemporal cortex in TDP-43-positive frontotemporal lobar degeneration (FTLD-TDP) with agrammatic progressive aphasia, the bilateral lateral and anterior temporal cortex in FTLD-TDP or argyrophilic grain disease with semantic dementia, and the left parietotemporal cortex in Alzheimer disease with logopenic progressive aphasia or jargon aphasia.
Why it matters
In 18 patients, different clinical variants of primary progressive language and speech disorders corresponded to different underlying pathologies at postmortem, such as tau pathology in progressive anarthria and TDP-43 in agrammatic aphasia. This concerns predicting pathology for diagnosis, not treating, curing, or preventing Alzheimer's disease.
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Study details
- Participants18
- Evidence strengthLow
How this study scored 54/100
Published in a leading specialty journal. Scored zero for study design, effect reported and randomised / blinded because the record does not state it.
| Component | Points | Why |
|---|---|---|
| Journal tier | 9 / 10 | Tier 2 — leading specialty journal (Neurology) |
| Journal's citation record | 4 / 4 | Neurology: journal h-index 525 (OpenAlex, 2026-10-29) |
| Study design | 0 / 12 | No study design recorded — scores zero, not guessed (not stated in the record — scored 0) |
| Strength of evidence | 1 / 5 | Rated “low” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 1 / 5 | 2010 — within 20 year(s) of the newest study here |
| Sample size | 1 / 4 | 18 participants |
| Effect reported | 0 / 3 | No effect size reported — scores zero (not stated in the record — scored 0) |
| Studied in people | 3 / 3 | Studied in people (participant count stated) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 5 / 7 | Cited 200 times (OpenAlex, 2026-10-10) |
| Citations per year | 3 / 5 | 11.1 citations a year over 18 year(s) since 2010 |
| Impact for its field and year | 4 / 6 | Cited 10.4× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 3 / 6 | Cited by 10 other studies in this library |
| Still being cited | 1 / 4 | Cited 6 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 4 / 4 | Last-listed author Florence Pasquier: h-index 101 (OpenAlex, whole career) |
| Institution's track record | 2 / 3 | Inserm: institution h-index 1,988 (OpenAlex) |
| Multi-centre collaboration | 1 / 3 | OpenAlex lists 3 institution(s) in 1 country |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 19940270) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Total | 54 / 100 | — |
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