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ArticleVirchows Archiv : an international journal of pathology2026

Large B-cell lymphoma associated with fluid overload: two new case reports with molecular insights.

Lucía Pavía Pascual, Francisco Javier Díaz Crespo, Bruno Bernardo Ardaya López, María de Los Ángeles Pérez Saénz, Rebeca Manso Alonso, Socorro María Rodríguez Pinilla, Francisco Javier Díaz de la Pinta

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In one paragraph

Article in Virchows Archiv : an international journal of pathology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  3. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Lucía Pavía PascualHematology Department, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), Madrid, Spain.
Francisco Javier Díaz CrespoPathology Department, University Hospital Gregorio Marañón, Madrid, Spain.
Bruno Bernardo Ardaya LópezPathology Department, University Hospital Gregorio Marañón, Madrid, Spain.
María de Los Ángeles Pérez SaénzHematology Department, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), Madrid, Spain.
Rebeca Manso AlonsoPathology Department, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), Avd. Reyes Católicos 2, Madrid, 28040, Spain.
Socorro María Rodríguez PinillaPathology Department, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), Avd. Reyes Católicos 2, Madrid, 28040, Spain.
Francisco Javier Díaz de la PintaPathology Department, Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD, UAM), Avd. Reyes Católicos 2, Madrid, 28040, Spain. fjavier.diazp@quironsalud.es.ORCID http://orcid.org/0000-0002-7070-0550

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The 5th edition of the World Health Organization (WHO) and the International Consensus Classification (ICC 2022) recently recognized a subtype of diffuse large B cell lymphoma (DLBCL), respectively called fluid overload-associated large B-cell lymphoma (FO-LBCL) and human herpes virus 8 (HHV8)/Epstein-Barr (EBV)-negative primary effusion-based lymphoma. However, few reports have provided a molecular profile for this entity. We present two cases, both females, who presented to our hospital with, respectively, massive pleural and pericardial effusion, but with no other significant pathological findings, and for both of whom FO-LBCL was the final diagnosis. Both cases exhibited activated and germinal center phenotypes but had distinct mutational profiles. In this report, we consider the diagnosis, focusing on the main clinicopathological features that differentiate it from primary effusion lymphoma (PEL) and other DLBCL subtypes. We report the results of a next generation sequencing study carried out to provide new evidence about the molecular pathogenic mechanisms of this rare, recently described entity.

Indexed as

Biomarkers, TumorLymphoma, Large B-Cell, DiffuseLymphoma, Primary EffusionPericardial EffusionPleural Effusion, MalignantAgedDiagnosis, DifferentialFemaleHigh-Throughput Nucleotide SequencingHumansMiddle AgedMutationBiomarkers, TumorFluid overloadHematologic malignancyLarge B-cell lymphomaMolecular findingsPrimary effusion lymphoma

Identifiers

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.