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- Title
Infectious mononucleosis accompanied by clonal proliferation of EBV-infected cells and infection of CD8-positive cells.
- Authors
Arai, Ayako; Yamaguchi, Takeshi; Komatsu, Honami; Imadome, Ken-Ichi; Kurata, Morito; Nagata, Kaoru; Miura, Osamu
- Abstract
A 22-year-old male was admitted for a sustained fever of 2 months, lymphadenopathy, and liver dysfunction. Anti-VCA-IgM antibody was positive, with elevated Epstein-Barr virus (EBV)-DNA load in the peripheral blood. Liver biopsy revealed infiltration of CD8-positive and EBV-positive cells. Most peripheral blood mononuclear cells (PBMCs) were also positive for CD8, and showed detectable levels of EBV-DNA. Monoclonal proliferation of EBV-infected cells was detected in the PBMCs by Southern blotting for EBV-terminal repeat (EBV-TR). Although EBV-positive T-cell lymphoproliferative disease (EBV-T-LPD) was suspected, the symptoms spontaneously resolved within 12 months. Anti-VCA-IgM antibody and the clonal band of EBV-TR were negative 1 year after the onset, while anti-EBNA antibody was positive. The final diagnosis was thus confirmed as infectious mononucleosis (IM). Our results indicate that EBV-infected CD8-positive cells and clonal proliferation of EBV-infected cells may be temporally detected in IM. EBV-T-LPDs should be carefully excluded in such cases.
- Publication
International journal of hematology, 2014, Vol 99, Issue 5, p671
- ISSN
1865-3774
- Publication type
Journal Article
- DOI
10.1007/s12185-014-1548-4