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Epstein-Barr virus infection in sinonasal non-Hodgkin's lymphomas

✍ Scribed by P. Luzi; L. Leoncini; I. Funtò; A. Bruni; S. Lazzi; L. Pacenti; P. Tosi

Publisher
Springer
Year
1994
Tongue
English
Weight
885 KB
Volume
425
Category
Article
ISSN
1432-2307

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✦ Synopsis

Sinonasal non-Hodgkin's lymphomas (SNHLs) of B- or T-cell immunophenotype have been associated with Epstein-Barr virus (EBV) infection of neoplastic lymphoid tissue. Nine SNHLs were investigated using immunohistochemistry, the polymerase chain reaction (PCR) for EBV genome and in situ hybridization (ISH) for EBV encoded RNAs (EBER), immunoglobulin (CI-gHR) and clonal T-cell receptor (CTC beta R) gene rearrangements. Eight cases were diagnosed as peripheral pleomorphic T-cell lymphomas (pPTCL). PCR showed the presence of EBV genome in eight cases; ISH for EBER led to the detection of positive cells in five cases. Late membrane protein (LMP) immunostaining was observed in three cases. No EBV positivity has been detected in control cases. The frequent association with EBV infection in the cases illustrated confirms the previous suggestions that EBV may have a role in the genesis of lymphomas of the sinonasal region.

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