Bibliographic record
Abstract
Chronic spontaneous urticaria is a common condition encountered in childhood, but long lasting persistent urticaria is less frequent. Autoimmune mechanisms may explain up to 30-50% of chronic idiopathic urticaria in adults, but such etiology has been less studied in children. Case report and literature review. We present the case of a 10 year old, otherwise healthy boy, who has a 6-7 year history of persistent chronic urticaria requiring ongoing treatment. His symptoms consist of daily urticarial lesions and angioedema with frequent flares. Upper respiratory viral infections, spring/ fall season and stressful events make his condition worse; however, no food or medication triggers has been found so far. The initial work up of chronic urticaria included CBC, differential, TSH, thyroid antibodies, ANA, C3 and C4 titers, serology for H. Pylori, tryptase level, ESR, stool for O&A, urinalysis, which were entirely negative. A year ago, he developed sudden onset of weight loss, polydipsia and polyuria, and was diagnosed with Type 1 insulin dependent diabetes. He was found to have positive antiGAD antibodies, but thyroid and anti TTG IgA antibodies remained negative. He has been tried on many treatment modalities including various combinations of new and old generation antihistamines, steroids, ketotifen, montelukast, but his condition remains active. As extension to current guideline for work up of chronic urticaria, besides thyroid and high affinity anti FcεRI receptor autoantibodies, screening for anti GAD and antiTTG IgA antibodies can be considered in cases of persistent long lasting chronic urticaria in childhood.
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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 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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".