Pure red cell aplasia due to parvovirus following treatment with CHOP and rituximab for B‐cell lymphoma*
Bibliographic record
Abstract
A 26-year-old woman, diagnosed with diffuse large B-cell lymphoma, was treated with CHOP (cyclophosphamide, hydroxydaunomycin, oncovin, prednisone), rituximab and radiotherapy. She developed transfusion-dependant anaemia, which persisted following chemotherapy. Bone marrow aspirate and biopsy were consistent with pure red cell aplasia and parvovirus infection. Serology was negative for previous or acute infection but parvovirus DNA was detected by polymerase chain reaction. Administration of intravenous immunoglobulin (1 g/kg) resulted in reticulocytosis and recovery of her haemoglobin. We hypothesize that rituximab caused depletion of her normal B cells, resulting in an inability to mount a primary immune response to parvovirus infection.
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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 | 0.001 | 0.004 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 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".