Neurologic late effects associated with radiologic evidence of vertebral osteoradionecrosis after salvage laryngectomy: A syndrome associated with survivors of laryngeal and hypopharyngeal cancer
Bibliographic record
Abstract
BACKGROUND: Delayed nonspecific posterior neck pain after pharyngeal instrumentation can be associated with a syndrome of rapidly progressive neurologic embarrassment. We present this cohort to help define the syndrome and aid in early detection. METHODS: We conducted a retrospective case series of 6 patients presenting from 2003 to 2012 with a history of laryngeal or hypopharyngeal squamous cell carcinoma (SCC) who underwent radiotherapy (RT) or chemoradiotherapy (CRT) followed by salvage laryngectomy. RESULTS: Posterior neck and upper back pain developed a mean of 27.5 days after instrumentation of the pharynx (reconstruction after laryngectomy or pharyngeal dilation). Myelopathy developed an average of 21.5 days after the onset of posterior neck pain. Five patients required urgent decompression. Three patients developed quadriplegia. The disease-specific mortality was 50%. CONCLUSION: There is a syndrome of late neurological effects after RT, salvage surgery, and pharyngeal instrumentation that is associated with high morbidity and mortality. © 2016 Wiley Periodicals, Inc. Head Neck 38:1187-1193, 2016.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| 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".