Pleura Nodosum: Fetal Squamous Debris in an Unusual Location
Bibliographic record
Abstract
We present a pathologic-radiologic case of a fetus with a right extralobar bronchopulmonary sequestration that required intervention in the form of a thoraco-amniotic shunt for management of a right pleural effusion. The intervention was successful in reducing the pleural effusion and the infant was born at 39 weeks gestational age but required some respiratory support for the 1st day of life. The pulmonary sequestration was excised on day 7 of life and demonstrated several small nodules on its pleural surface. Histologic examination demonstrated that the nodules consisted of granulomatous plaques containing squamous epithelium and hairs. The nodules are similar to those described in amnion nodosum, when the amniotic membrane incorporates fetal skin within the superficial tissue layers of the placenta in cases of oligohydramnios. To our knowledge, this is the 1st reported case of nodules containing amniotic fetal squamous debris to occur on lung visceral pleura.
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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 | 0.000 |
| 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".