Incorrect Radiographic Evaluation After Vascularized Bone Grafting for Scaphoid Fracture Or Nonunion
Bibliographic record
Abstract
PURPOSE: The present study is a review of patients with scaphoid non-unions treated with a dorsal vascularized bone graft. The study highlights a subset of patients incorrectly diagnosed as graft failures. METHODS: A retrospective review of patients who received vascularized grafts for scaphoid nonunions was performed over a four-year period. The vascularized graft of choice for this group was the dorsal radial extensor compartment artery. RESULTS: Five patients from a scaphoid fracture group who were treated with vascularized grafts were diagnosed as being failures (average of five months). None of these patients had tenderness on palpation of the scaphoid, and they were scheduled for revised vascularized grafts. All patients at the time of surgery were found to have healed. These patients were treated with arthrolysis, resulting in healing and full range of motion. CONCLUSIONS: Scaphoid vascularized grafts may have a markedly delayed radiographic healing time. Reoperation to perform secondary vascularized procedures may result in unnecessary surgery. Early imaging following a scaphoid vascularized graft may be inaccurate and may demonstrate a continued nonunion.
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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 | 0.003 | 0.010 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 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".