Radial Forearm Free Flap With Titanium Mesh Sandwich Reconstruction in Complex Anterior Skull Base Defects
Bibliographic record
Abstract
BACKGROUND: Skull base reconstruction presents a number of challenges from anatomical and functional perspectives. This is especially the case with large anterior skull base defects with compromised recipient beds from repeated infection, multiple surgeries, or previous radiation. The purpose of the study was to demonstrate the use of the titanium mesh/radial forearm free flap (RFFF) mesh sandwich for reconstruction of large anterior skull base defects with a poor recipient bed or excessive bony defect. METHODS: Retrospective case series of 3 patients with complex anterior skull base defects reconstructed with a titanium mesh/RFFF mesh sandwich technique. RESULTS: Reconstruction of 3 cases using the titanium mesh/RFFF sandwich technique resulted in definitive treatment with no recurrent cerebral spinal fluid leaks, meningitis, or complications. CONCLUSIONS: The titanium mesh/RFFF sandwich is an excellent reconstructive option for large anterior skull base defects with a poor recipient bed. This approach is facilitated using a combined open and endonasal endoscopic approach in a multidisciplinary team composed of head and neck surgery, rhinology, and neurosurgery.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| 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".