Severe hemihypotrophy in a female infant with mosaic Turner syndrome: a variant of Russell???Silver syndrome?
Why this work is in the frame
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Bibliographic record
Abstract
Russell-Silver syndrome is a genetically heterogeneous condition. For most affected individuals, it represents a phenotype rather than a specific disorder. Although chromosomal anomalies, imprinting disorder, maternal uniparental disomy 7 as well as familial autosomal dominant and X-linked forms have been reported, the diagnosis remains determined on clinical grounds. Russell-Silver syndrome is characterized by asymmetric intrauterine growth retardation, postnatal failure to thrive, distinct facial features, limb asymmetry, excessive sweating and minor skin lesions. We report here a female infant who had a karyotype of 45,X on prenatal amniocytes. After delivery she was noted to have features not explainable on the basis of Turner syndrome. Her phenotype actually was quite consistent with Russell-Silver syndrome. She had a triangular face with prominent forehead, large eyes, a thin nose, malar hypoplasia, thin upper lip with down-turned corner of the mouth and a pointed chin. Marked body asymmetry was evident at birth, with the left side significantly smaller than the right side. She has a diphalangeal left fifth finger. Skin fibroblast culture and analysis showed a karyotype of 45,X on the right side and 45,X/46,XX on the left side. The case is another illustration of the genetic heterogeneity of Russell-Silver phenotype.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 | 0.001 | 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 it