Paravaginal female adnexal tumor of probable Wolffian origin mimicking vaginal spindle cell epithelioma on biopsy
Bibliographic record
Abstract
Female adnexal tumor of probable wolffian origin (FATWO) is a tumor of low malignant potential that arises predominantly in the broad ligament, mesosalpinx, and ovarian hilus. The rarity of FATWO increases its susceptibility to misdiagnosis as other tumors, especially when it occurs at an unusual site. We report a 29-year-old woman with a 7.2 cm left paravaginal FATWO that invaded into the vaginal lumen. The initial biopsy demonstrated features suggestive of vaginal spindle cell epithelioma, but with increased Ki67 proliferation index. Pathologists should be aware that the common sieve-like architecture of FATWO may not be apparent on small biopsies, which by sampling error may demonstrate predominantly the less common spindle cell architecture. Awareness of FATWO in the differential diagnosis of paravaginal tumors may help to avoid misinterpretation as vaginal spindle cell epithelioma, a previously unappreciated pitfall in the diagnosis of FATWO.
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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 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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".