Osteochondritis Dissecans of the Talus in Children
Bibliographic record
Abstract
Osteochondritis dissecans (OCD) of the talus is rare in children. The lesion is encountered on either the medial or lateral surface of the talar dome. The etiology is unknown, although trauma has been implicated, particularly in lateral lesions. Since 1983, 24 children have been treated for OCD of the talus at a major Canadian pediatric referral center. Two children had bilateral involvement, for a total of 26 lesions. There were 10 boys and 14 girls. The average age at initial presentation was 13 years 4 months (range 6 years 7 months to 17 years 1 month). The lesion involved the medial aspect of the talus in 19, the lateral in 5, and the central talar dome in 3. Magnetic resonance imaging was very useful in preoperative assessment in six cases. Surgical intervention was required in 15 (58%) ankles. The results at the most recent follow-up revealed resolution or decreased symptoms in 25 (96%) and no change in 1 (4%).
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.004 | 0.004 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".