Caveat on the Interpretation of Metacarpal Head Erosions Seen by Magnetic Resonance Imaging: Figure 1.
Bibliographic record
Abstract
To the Editor: Olech, et al 1 recently used extremity-dedicated magnetic resonance imaging (MRI) to highlight hand lesions in patients with rheumatoid arthritis (RA) in comparison with controls. They noted that the second and third metacarpal heads were more often eroded in RA. Bone lesions, morphologically identical with erosions, were also common in controls at the same locations. A similar observation was made by Tan, et al , who linked it to anatomical causes2. The term “lesion” in MRI studies of the joints encompasses bone edema, erosions, and cysts3. According to the OMERACT definition4, an erosion is a sharply marginated bone lesion, of typical juxtaarticular localization and specific signal characteristics, which is … Address correspondence to Prof. M.A. Cimmino; E-mail: cimmino{at}unige.it
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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 | 0.005 | 0.056 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.002 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.002 | 0.004 |
| Scholarly communication | 0.003 | 0.005 |
| Open science | 0.006 | 0.002 |
| Research integrity | 0.043 | 0.030 |
| Insufficient payload (model declined to judge) | 0.010 | 0.011 |
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".