A Simplified Supine Technique Expedites the Delivery of Effective Craniospinal Radiation to Medulloblastoma – Comparison with Other Techniques in the Literature
Bibliographic record
Abstract
A 28-year-old man presented to the emergency room with a severe headache of one day's duration. A computerized tomography scan showed a hemorrhagic tumor measuring 3.9 x 4.4 cm in the left cerebellar hemisphere. The resection specimen revealed medulloblastoma. He had two episodes of rebleeding and multiple postoperative issues preventing the use of prone craniospinal radiotherapy. We designed a supine technique for this tall man, which was not complicated to set up. The rapid safe implementation of this technique allowed us to avoid further rebleeding and successfully treat the residual tumor. This technique is the described technique in this case report and is compared to other techniques. At 7.5 years after surgery, he is alive without cancer and with only a mild residual deficit. This case is unusual since the majority of patients with the diagnosis of hemorrhagic medulloblastoma died.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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 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".