ArticleRespirology case reports2025
IgG4 Related Disease Presenting With Eosinophilic Pleural Effusion.
Article in Respirology case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A 56-year-old man presented with right-sided pleuritic chest pain and intermittent cough for 4 months, with a background history of well-controlled asthma and allergic rhinitis. Chest radiographs revealed right-sided pleural effusion, the fluid chemistry showed an exudate effusion with negative cytology and abundant eosinophils. Thoracoscopic pleural biopsy showed moderate lymphoplasmacytic chronic inflammation. Immunohistochemistry showed IgG4 staining up to 90 plasma cells/hpf (> 10% diagnostic), and the IgG4: IgG ratio was 40% (> 40% diagnostic), confirming the diagnosis of IgG4-related disease (IgG4-RD). Elevated serum IgG4 level (300 mg/dL; normal range: 3-201 mg/dL), further supported the diagnosis. While eosinophilic pleural effusion (EPE) accounts for 5%-16% of all exudative pleural effusions, IgG4-related pleural disease is an extremely rare cause of EPE.
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