Malignant histiocytosis derived from a common histiocyte clone in a patient with chronic Epstein-Barr virus infection.
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| Abstract |
Epstein-Barr virus (EBV) has a particular propensity for B lymphocytes, but in a few cases it seems to play a role in histiocytic disorders and EVB DNA has been identified in histiocytes. To determine what kind of cell proliferate clonally, we studied a patient with malignant histiocytosis that developed after chronic EBV infection. Polymerase chain reaction (PCR) for lymphocyte-defined membrane antigen (LYDMA) of EBV, a marker of monoclonality, double stainings of cell markers (B, T lymphocytes; histiocytes), and in situ hybridization for EBV were performed in tissues obtained in 1987 and 1990 before the appearance of malignant histiocytosis and in 1991 after the disease was diagnosed. PCR for LYDMA from multiple samples during the disease showed the same single band, indicating that chronic EBV infection and malignant histiocytosis were caused by the same single virion. We also found a single terminal repeat band of EBV which supports this finding. In the studies of double stainings, EBV was present in histiocytes of the non-neoplastic early stage, and in the neoplastic cells of malignant histiocytosis. The histiocyte, infected with EBV, clonally expanded to result in malignant histiocytosis.
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| Authors | K Ohshima, T Fujisaki, S Nagafuchi, Y Niho, S Kobari, M Kikuchi |
| Journal | Leukemia & lymphoma (Leuk Lymphoma) Vol. 17 Issue 3-4 Pg. 355-60 (Apr 1995) ISSN: 1042-8194 [Print] United States |
| PMID | 8580809 (Publication Type: Case Reports, Journal Article) |
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