Fine‐needle aspiration biopsy of a glomus tumor of the stomach
Bibliographic record
Abstract
A glomus tumor of the stomach was found as an incidental finding on routine ultrasound in a 72-yr-old asymptomatic woman. A fine-needle aspiration biopsy (FNAB) was performed and was initially interpreted as a well-differentiated neuroendocrine neoplasm, possibly a carcinoid tumor. The aspirate revealed tightly packed nests or clusters of uniform, small, round to polygonal cells with scanty, faintly eosinophilic or clear cytoplasm and ill-defined cell borders. The nuclei were uniform, and round to oval, and contained a granular chromatin pattern and inconspicuous nucleoli. Very occasional intranuclear cytoplasmic inclusions were seen. Laparotomy and a wedge resection of the stomach were performed. The surgical pathology findings revealed a glomus tumor which was confirmed by immunohistochemical stains and ultrastructural studies. Since glomus tumors of the stomach are essentially benign and are amenable to conservative excision, it is important to separate them, preoperatively, from more aggressive gastric neoplasms. FNAB offers a rapid, cost-effective method of diagnosing this entity. We present the cytological, histological, ultrastructural, and immunocytochemical features of this particular gastric neoplasm, along with differential diagnoses.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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 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".