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Leuk Res Treatment. 2012;2012:262363. doi: 10.1155/2012/262363. Epub 2011 Nov 9.

Diffuse large B-cell lymphoma in human T-lymphotropic virus type 1 carriers.

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Department of Oncology and Radiotherapy, Edgardo Rebagliati Martins Hospital, Lima, Peru.


We describe the clinical and pathological characteristics of seven patients who were human T-lymphotropic virus type 1 (HTLV-1) carriers and had a pathological diagnosis of de novo diffuse large B-cell lymphoma. Interestingly, three of our cases showed positive expression of Epstein-Barr-virus, (EBV-) encoded RNA within the tumor cells indicating a possible interaction between these two viruses. Furthermore, our three EBV-positive cases presented with similar clinical characteristics such as early clinical stage and low-risk indices. To the best of our knowledge, this is the first case series describing the characteristics of HTLV-1-positive DLBCL patients. The potential relationship between HTLV-1 and EBV should be further explored.

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