Foreign body in the hypopharynx: late prosthesis extrusion after cervical arthrodesis
Bibliographic record
Abstract
This is a case report of a rare airway Foreign Body (FB), the first reported case of an extruded prosthesis of previous cervical spine arthrodesis still attached to the wall of the hypopharynx, obstructing the airway, and requiring immediate removal. A 56-year-old man with a history of previous cervical arthrodesis (C3-C7). He presented anterior displacement of the Cage Device and erosion of the posterior wall of the hypopharynx, with the prosthesis causing partial obstruction of the larynx. After the Neurosurgery and Radiology team determined that there were no risks of cervical spine instability, we were able to remove the device in the operating room using Laryngoscope and McGill forceps with success. After proper evaluation of the case, we were able to remove the foreign body uneventfully. Given the rarity of this complication, we hope this case report can assist in the treatment and management of future cases.
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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 | 0.004 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.002 |
| Bibliometrics | 0.003 | 0.002 |
| Science and technology studies | 0.003 | 0.002 |
| Scholarly communication | 0.003 | 0.003 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.007 | 0.004 |
| Insufficient payload (model declined to judge) | 0.002 | 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".