Single-Stage Autologous Microtia Reconstruction
Bibliographic record
Abstract
Microtia reconstruction using autologous costal cartilage is one of the most challenging procedures in plastic surgery, offering long-term durability and biocompatibility. The Nagata 2-stage autologous technique involves creation of a soft tissue pocket and auricular framework from costal cartilage in the first stage, then projection of the framework in the second stage using a temporoparietal fascial flap and skin graft. However, the second stage compromises the aesthetic result due to skin graft color mismatch, edema, and contracture, while also eliminating the TPF flap as a future salvage option. Consequently, the authors present a single-stage autologous technique for microtia reconstruction with several modifications to the Nagata technique: (1) elevating the framework using a projecting block within a single stage, (2) performing wider undermining of the soft tissue pocket to accommodate this elevation, (3) adding a cranial extension to the tragus for stability, and (4) refining the contour of the inferior crus. In a series of 40 consecutive cases using the single-stage technique, our surgical complication rate was 15%, comparable to rates reported for autologous reconstruction. The single-stage approach yields reliable aesthetic and functional outcomes and maintains future revision options, making it an effective alternative for microtia reconstruction.
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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 | 0.001 | 0.001 |
| 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) | 0.000 | 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".