Fibrin-Associated Large B-Cell Lymphoma of Prosthetic Aortic Valve and Aortic Root Graft
Bibliographic record
Abstract
Background and clinical significance: Primary cardiac diffuse large B-cell lymphoma (DLBCL) arising in bioprosthetic valves is exceedingly rare. Most patients present with localized disease often masquerading as suspected thrombi or vegetations. Imaging studies are inconclusive and due to the rarity of the disease, treatment and follow-up data are very limited. Case presentation: We present one such case developing 9 years after aortic valve replacement in an otherwise immunocompetent patient, who presented with minor symptoms despite significant disease burden. This tumor contained Epstein–Barr virus (EBV), was confined to the site of origin, and has behaved non-aggressively after excision with a follow-up of 59 months. Conclusions: This unique disease is classified as Fibrin-associated large B-cell lymphoma (FA-LBCL) in view of its distinct clinical-pathological features. This report also addresses the unique features of this type of lymphoma.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".