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Updated: Mar 19, 2026

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An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
Published on: February 8, 2019
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Diffuse Large B Cell Lymphoma Mimicking Granulomatosis with Polyangiitis
Mohammad E Naffaa1, Alexander P Rozin1, Netanel Horowitz2
1The B. Shine Rheumatology Unit, Rambam Health Care Campus, 31096 Haifa, Israel; Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, 31096 Haifa, Israel.
Case Reports in Rheumatology
|June 14, 2016
Summary
This case study highlights an unusual presentation of B cell lymphoma in a young male, mimicking systemic vasculitis. It emphasizes the importance of considering malignancies in multiorgan diseases with overlapping inflammatory features.
Area of Science:
- Internal Medicine
- Oncology
- Rheumatology
Background:
- Systemic multiorgan diseases present diagnostic challenges due to overlapping features.
- Differential diagnoses commonly include infections, malignancies, and autoimmune/inflammatory conditions.
- Vasculitis is a serious condition requiring prompt diagnosis and treatment.
Purpose of the Study:
- To report an unusual case of B cell lymphoma presenting with symptoms mimicking systemic vasculitis.
- To review the literature on lymphoma-induced vasculitis and similar presentations.
- To underscore the importance of considering hematologic malignancies in the differential diagnosis of vasculitis.
Main Methods:
- Case report of a young male patient.
- Review of relevant medical literature.
- Analysis of clinical presentation, diagnostic workup, and treatment.
Main Results:
- The patient, a young male, was diagnosed with B cell lymphoma.
- The clinical presentation initially mimicked systemic vasculitis.
- Literature review identified rare but documented cases of lymphoma presenting as vasculitis.
Conclusions:
- B cell lymphoma can present with symptoms mimicking systemic vasculitis.
- Hematologic malignancies should be considered in the differential diagnosis of unexplained systemic inflammatory diseases.
- Early recognition of unusual presentations is crucial for timely diagnosis and management.

