Fine‐needle aspiration biopsy of endometriosis of the abdominal wall: A potential diagnostic pitfall
Bibliographic record
Abstract
Endometriosis is a relatively common disease in women, usually of reproductive age. In rare occasions, endometriosis may occur in unusual body sites, including extragonadal, extra-pelvic sites, or in the skin. We report a case of endometriosis of the abdominal wall diagnosed by fine-needle aspiration biopsy (FNAB). The patient was a 41-year-old woman with a clinical impression of "desmoid" tumor of the abdominal wall. FNAB showed groups of epithelial cells with mild nuclear atypia and rare mitoses. A few small clusters of slightly atypical spindle cells were also seen. The initial screening impression was adenocarcinoma due to the atypical cytological features. However, after review with the pathologist, the FNAB was signed out as "endometriosis." Subsequent local excisional biopsy confirmed the diagnosis of endometriosis. In conclusion, endometriosis may present diagnostic challenges in FNAB and this possibility should be considered in differential diagnosis. A clinical cytopathological correlation is necessary to avoid a misdiagnosed as an adenocarcinoma.
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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 | 0.001 | 0.093 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 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 | 0.000 |
| 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".