ArticleBMJ case reports2020
Relationship between vasculitis and chronic lymphocytic leukaemia: a correlation without causation.
Article in BMJ case reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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.
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.
Who cites it
2 citing papers in PubMed.
- Immunoglobulin A (IgA)-Mediated Vasculitis as a Paraneoplastic Clue in Chronic Lymphocytic Leukemia: A Case Report.Cureus · 2026Article
- Malignancies Presenting With ANCA Positivity: Two Case Reports and Diagnostic Considerations.Immunity, inflammation and disease · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report a novel case of a patient who presented with new diagnoses of both cytoplasmic antineutrophil cytoplasmic antibodies (c-ANCAs) positive vasculitis and chronic lymphocytic leukaemia (CLL). The patient was a 79-year-old man who presented with melena, haemoptysis, acute hypoxia and acute kidney injury. In the current literature, there are rare associations of c-ANCA vasculitis and malignancy, but very few, if any, relating c-ANCA vasculitis and CLL. This case is unique due to the presence of both pathologies and an uncommon presentation of the vasculitis. He presented with renal and pulmonary findings, unlike the dermal manifestations commonly seen with vasculitis. We think that this could be an easily overlooked combination of diseases and, therefore, the purpose of this case is to prevent delays in care that could affect patient outcomes and also to encourage further research into the relationship between these diseases.
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Registered trials
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