C-kit negative extra intestinal gastrointestinal stromal tumor with no detectable mutations: A rare case
Bibliographic record
Abstract
Epithelial tumors are quite common in the gastrointestinal tract, but in addition there is a heterogenous group of mesenchymal tumors which are referred to as Gastro-intestinal stromal tumors (GIST). These may have different morphology like epithelioid or spindle cell but have a common immunohistochemical profile. Majority of them are positive for CD117(Less than 5% negative) those which are negative are almost always positive for DOG 1 antbody. These tumors are associated with the Gastro intestinal tract but a small percentage maybe extra-intestinal (less than 5%) This small subgroup is referred to as EGIST (extra intestinal GIST). We present a rare case which was negative for CD 117, but positive for DOG1 (demonstrated on GIST). The case was tested for mutations and was also negative which makes it a further rarity.
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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 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 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) | 0.001 | 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".