Salivary Gland-Like Tumor of the Sella
Bibliographic record
Abstract
Tumors arising in the sellar region are predominantly benign, non-invasive pituitary adenomas. Invasive pituitary adenomas (approximately 35 % of the pituitary adenomas) and pituitary carcinomas (0.1 – 0.5 %) arise from the same cells in the pituitary gland as the benign tumors, but have different pathology and biological behavior. A wide variety of nonadenomatous lesions involve the sellar region. These include tumors that arise specifically from sellar and suprasellar structures, as well as those that are also found elsewhere in the CNS (e.g. meningioma, glioma, metastasis, etc.). Typical nonadenomatous tumors that originate in the sellar region are craniopharyngioma and Rathke’s cleft cyst. The purpose of this paper is to describe another nonadenomatous tumor specific to the sellar region, a salivary gland-like tumor, and review the literature on this subject. This case report will also illustrate the management decisions regarding a patient with multiple medical issues and an aggressive sellar tumor.
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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 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.003 | 0.002 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.009 | 0.007 |
| Insufficient payload (model declined to judge) | 0.004 | 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".