ArticleEuropean journal of haematology2013
Human herpesvirus 8+ polyclonal IgMλ B-cell lymphocytosis mimicking plasmablastic leukemia/lymphoma in HIV-infected patients.
Article in European journal of haematology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 19 citations in OpenAlex.
- Deciphering the full spectrum of Castleman diseases based on a cohort of 700 patients in a western country.British journal of haematology · 2026Article
- Lymphomas with plasmablastic features: a report of the lymphoma workshop of the 20th meeting of the European Association for Haematopathology.Virchows Archiv : an international journal of pathology · 2023Article
- Characteristics of circulating KSHV-infected viroblasts during active KSHV+ multicentric Castleman disease.Blood advances · 2023Article
- A novel approach for characterization of KSHV-associated multicentric Castleman disease from effusions.British journal of haematology · 2023Article
- Cancers associated with human gammaherpesviruses.The FEBS journal · 2022Review
- EBV-positive large B-cell lymphoma with an unusual intravascular presentation and associated haemophagocytic syndrome in an HIV-positive patient: report of a case expanding the spectrum of EBV-positive immunodeficiency-associated lymphoproliferative disorders.Virchows Archiv : an international journal of pathology · 2022Article
- HIV-associated Kaposi sarcoma and related diseases.AIDS (London, England) · 2017Review
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Authors and funding
12 authors at 7 institutions in 3 countries.
Funding
Abstract
purposeMulticentric Castleman disease (MCD) is a distinct lymphoproliferative disorder characterized by inflammatory symptoms, lymphadenopathy, splenomegaly, and cytopenia. Kaposi's sarcoma-associated herpesvirus (KSHV), also called human herpesvirus-8 (HHV-8), is the cause of virtually all cases of MCD occurring in patients with HIV infection. MCD lesions characteristically contain HHV-8-infected polyclonal IgMλ plasmablasts. A high frequency of HHV-8-related non-Hodgkin lymphoma has been reported in these patients. PATIENTS AND
methodsWe now report on three patients who presented with severe symptoms of MCD, extreme splenomegaly, and rapid expansion of B-cell lymphocytosis (44-81%) attributable to circulating HHV-8 positive plasmablasts.
resultsThe circulating plasmablastic cells shared the phenotype (IgMλ, CD19+, CD20- CD138-) of HHV-8-infected cells from MCD lesions, mimicking the leukemic phase of large B-cell lymphoma occurring in HHV-8-related MCD. These patients displayed a very high HHV-8 viral load in blood (>7 logs HHV-8 DNA copies/ml) and high levels of serum vIL-6, the viral homolog of human interleukin 6. Serum IL-6 and IL-10 were also abnormally elevated. HHV-8-infected cells were demonstrated by immunoglobulin gene rearrangement analysis, to be polyclonal and likely represent an expansion of HHV-8-infected cells similar to those found in MCD lesions.
conclusionThus, the spectrum of HHV-8-related plasmablastic lymphoproliferative disorders in patients with HIV infection is expanded to include HHV-8+ polyclonal IgMλ B-cell lymphocytosis. At onset, this lymphoproliferative disorder may mimic plasmablastic leukemia/lymphoma. Recognizing this unusual complication may have important implications in treatment decision avoiding unnecessary toxicity to the patients.
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