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A Case of Monoclonal Lymphoplasmacytosis of the Bone Marrow with IgM-Positive Russell Bodies
- Source :
- Bone Marrow Research.
- Publication Year :
- 2011
- Publisher :
- Hindawi Publishing Corporation, 2011.
-
Abstract
- A 71-year-old Japanese male patient infected with HCV was diagnosed with thrombocytopenia. Histological examination of the bone marrow aspirate showed numerous lymphoid aggregates with Russell bodies. Immunohistochemistry and flow cytometric analysis demonstrated clonal expansion of CD5+ CD23+ B cells. Russell bodies were positive for IgM and lambda immunoglobulin light chain. The patient also underwent gastric biopsy, which revealed Helicobacter pylori (HP) infection. Subsequent eradication of the bacteria resulted in improvement of his thrombocytopenia. The clinical course remained uneventful at 15-month follow-up, consistent with monoclonal B-cell lymphocytosis. The observed clonal expansion with plasmacytic differentiation may have occurred under the influence of HCV with HP infection.
- Subjects :
- Article Subject
Subjects
Details
- Language :
- English
- ISSN :
- 20902999
- Database :
- OpenAIRE
- Journal :
- Bone Marrow Research
- Accession number :
- edsair.hindawi.publ..0fdbe239caea7bed2884f90aa35fba44
- Full Text :
- https://doi.org/10.1155/2011/814372