Histologic study of the human pituitary gland in acute traumatic brain injury
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
PURPOSE: Approximately 25% of patients with traumatic brain injury (TBI) may develop partial or complete hypopituitarism. The causative mechanisms involved in its development are not clear. To the authors' knowledge, there have been no recent morphologic studies of the pituitary following TBI. METHODS: To characterize the resultant histologic changes, this study investigated the pituitaries of 42 patients who died following a motor vehicle accident, all from the Mayo Tissue Registry. Twelve patients died instantly at the scene of the accident (Group I) whereas 30 survived between 3 hours and 7 days (Group II). All pituitary specimens were obtained at autopsy, formalin-fixed and paraffin-embedded. Hematoxylin-eosin sections cut in horizontal or sagittal plane were examined light-microscopically. RESULTS: No infarction was noted in the pituitary specimens from group I. In group II, 13 of 30 (43%) showed acute infarcts of varying size. The extent of infarction in group II ranged from focal to sub-total necrosis involving 90% of the adenohypophysis. CONCLUSIONS: Underlying adenohypophysial pathology in patients dying after TBI is acute infarction. Loss of large numbers of adenohypophysial cells causes reduced secretion of adenohypophysial hormones and may contribute to post-traumatic hypopituitarism.
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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 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 it