<i>Listeria</i> pericarditis in a lymphoma patient: Case report and literature review
Bibliographic record
Abstract
We present a case of pericarditis with pericardial effusion secondary to Listeria monocytogenes. A 56-year-old man presented with signs of acute pericarditis, but with prior chronic lymphocytic leukemia treated with stem cell transplantation, chronic graft-versus-host disease, and a recent diagnosis of untreated diffuse large B-cell lymphoma. He developed cardiac tamponade requiring pericardiocentesis. Blood and pericardial cultures grew Listeria monocytogenes. He responded to ampicillin but later died from gram-negative sepsis. A systematic review found 10 other published English-language cases of pericarditis caused by Listeria. The most common risk factors were cirrhosis and malignancy. Only three patients survived both the listeriosis and their underlying infections. Listeria monocytogenes is a rare and often fatal cause of pericarditis, typically occurring in immunocompromised patients. Cultures showing gram-positive bacilli in the context of pericarditis in an immunocompromised patient should prompt consideration of this rare cause.
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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 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.004 | 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) | 0.002 | 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".