Associated talocalcaneal and calcaneonavicular coalitions in the same foot
Bibliographic record
Abstract
UNLABELLED: Tarsal coalition represents abnormal fusion among two or more tarsal bones and is a frequent cause of foot and ankle pain. The coexistence of calcaneonavicular and talocalcaneal coalitions in the same foot has been rarely cited in the literature. We report three cases of rigid flatfoot associated to a double coalition in the same foot. Routine computed tomography (CT) scan helped to delineate the joint space narrowing and bony bridges for preoperative planning. All cases were treated surgically with lateral and medial approach, bar resection, and extensor digitorum brevis interposition. Resection of such coalitions produced variable clinical and radiographic results. The authors discuss the frequency of multiple tarsal bars and the importance of CT in preoperative planning. Multiple tarsal coalitions in the same foot are probably not rare. Surgical outcomes can be jeopardized if they are not recognized in advance. The detection, localization, and characterization of this entity with routine CT scan are mandatory in patients undergoing surgery. LEVEL OF EVIDENCE: IV.
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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 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 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".