Retrograde cranio-orbital penetrating injury: A case report
Bibliographic record
Abstract
Background: Transorbital (Orbito-cranial) injuries are uncommon, but they are among the most debilitating types of traumatic brain injury (TBI), mainly caused by high-velocity gunshot wounds. In addition, the management of transorbital TBI is well documented in the literature. In contrast, the cranio-orbital migration of a bullet following TBI is rarely reported. In this article, we report a reverse cranio-orbital penetration of a bullet after a TBI from the occiput with a discussion about its management. Case Description: A 34-year-old male presented with a loss of consciousness to the emergency department. His Glasgow Coma Scale was 10 (E3, V3, M4), with a left-sided weakness grade of 3 on the Medical Research Council of Canada scale. A head computed tomography (CT) scan was performed, which revealed a bullet embedded in the right orbit with an entrance point from the right occipital bone. Moreover, the CT scan showed an intraventricular hemorrhage in the lateral ventricle. The surgery was performed where the hematoma was evacuated, the scalp was debrided, and the bullet was removed successfully. However, the patient died on the 7th postoperatively. Conclusion: Cranio-orbital penetrating brain injury is a severe yet rare type of penetrating brain injury. The direction of cranio-orbital injury is usually from the orbital region to the cerebrum. In our case, the retrograde fashion of the bullet migration renders it unique and calls for further studies to highlight the differences in injury and management of such 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 | 0.003 |
| Meta-epidemiology (narrow) | 0.004 | 0.002 |
| Meta-epidemiology (broad) | 0.002 | 0.002 |
| Bibliometrics | 0.004 | 0.003 |
| Science and technology studies | 0.004 | 0.003 |
| Scholarly communication | 0.003 | 0.003 |
| Open science | 0.002 | 0.004 |
| Research integrity | 0.008 | 0.005 |
| Insufficient payload (model declined to judge) | 0.003 | 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".