Adult-Onset Leukoencephalopathy with Axonal Spheroids and Pigmented Glia Can Present as Frontotemporal Dementia Syndrome
Bibliographic record
Abstract
BACKGROUND/AIMS: We review the characteristics of adult-onset leukoencephalopathy with axonal spheroids and pigmented glia(ALSP) and determine prevalence of behavioral variant of frontotemporal dementia (bvFTD) features in ALSP. METHODS: Clinical and pathological information was abstracted from histopathologically confirmed ALSP cases identified by a systematic literature search. A new case of ALSP presenting as bvFTD was also described. RESULTS: We retrieved 51 ALSP cases. Mean age of onset was 42.2 years. Mean disease duration was 6.2 years, with 24 cases lasting 4 years or fewer. Fourteen cases had 3 or more of the 6 key bvFTD features. White matter hyperintensities on T(2)-weighted MRI, motor symptoms, seizures and amnesia were common. CONCLUSION: ALSP can underlie FTD syndrome, as well as rapidly progressive dementia.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".