Visual Diagnosis: A Ring of Long, Dark, Coarse Hair on the Scalp of a 5-month-old Girl
Bibliographic record
Abstract
1. Alexander K.C. Leung, MD* 2. Benjamin Barankin, MD† 1. *Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada 2. †Toronto Dermatology Centre, Toronto, Ontario, Canada A 5-month-old girl presents with an abnormal hair pattern on the scalp that was first noted at birth. The infant is born at term to a gravida 2, para 1 28-year-old mother after an uncomplicated pregnancy and a normal vaginal delivery. There is no history of maternal use of medication during pregnancy. The infant’s birthweight is 3,200 g, length is 20.2 in (51.2 cm), and head circumference is 13.9 in (35.4 cm), each approximately at the 50th percentile. The neonatal course is uneventful. Her developmental milestones are normal. The parents are healthy and nonconsanguineous. There is no family history of craniospinal disorder or other similar disorders. On …
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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 | 0.001 |
| 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".