Erdheim chester disease presenting as bone pain with a lytic lesion: Case history and review of the literature
Bibliographic record
Abstract
Erdheim Chester Disease (ECD) is characterized by organ infiltration by CD68 positive and CD1a negative non-LangerhansHistiocytes. The presentation of ECD can vary from bone pain due to bone infiltration to multi-systemic forms involving thecardiovascular system. The prognosis of ECD is poor; however, with increased understanding of the pathogenesis, this has led tothe evolution of new therapeutic strategies. Because of the increased need for understanding this disease we present a case of a man, who presented to us with bone painand radiographs showing a lytic lesion in his left femur. Upon further investigation with magnetic resonance (MR) imaging andtechnetium 99 m bone scan we chose to undergo an open biopsy, which led to the definitive diagnosis. We outline the currenttreatment regimen and its evolution as our understanding of the pathogenesis of ECD has increased.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.006 | 0.004 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.002 |
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".