WT1 Expression and Hemihypertrophy in Congenital Mesoblastic Nephroma
Bibliographic record
Abstract
Congenital mesoblastic nephroma (CMN) is a rare primary pediatric renal tumor occurring predominantly in infants. There is no known association between CMN and WT1 gene expression and the association of hemihypertrophy and CMN is not well known. We report an infant with isolated hemihypertrophy and WT1-positive CMN, and the results of WT1 immunostaining in 13 other patients with CMN diagnosed over 14 years at SickKids. Of the 14 total patients 3 had positive nuclear immunostaining for WT1. Two patients also expressed WT1 RNA by reverse transcription-polymerase chain reaction. In conclusion, contrary to previous reports, WT1 may be expressed in CMN and CMN can be associated with hemihypertrophy in the absence of Beckwith-Wiedemann syndrome.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 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) | 0.001 | 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 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".