Anti-RNA Polymerase III Antibodies in the Diagnosis of Scleroderma Renal Crisis in the Absence of Skin Disease
Bibliographic record
Abstract
Scleroderma renal crisis (SRC) occurs in approximately 10% of patients with systemic sclerosis (SSc), particularly in those with diffuse skin disease. Scleroderma renal crisis has rarely been described to occur in patients with SSc without skin involvement. Scleroderma renal crisis without skin disease represents a major diagnostic challenge, particularly in patients without overt SSc involvement of other organ systems. It closely mimics the presentation of thrombotic thrombocytopenic purpura/hemolytic uremic syndrome, and treatment is therefore often directed at this entity. Anti-RNA polymerase III antibody testing has been previously reported to be used in 4 patients to diagnose SRC in the absence of sclerotic skin disease.We report 2 patients without skin disease or overt visceral involvement at presentation who presented with microangiopathic hemolytic anemia, thrombocytopenia, and acute kidney injury. Both patients eventually developed diffuse and rapidly progressive skin thickening. Anti-RNA polymerase III antibodies were strongly positive, supporting that their renal presentations were secondary to SRC.
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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 | 0.004 | 0.005 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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".