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  • Title: Epstein-Barr virus study in malignant lymphoma in Sjögren's syndrome.
    Author: Hirose Y, Sugai S, Masaki Y, Ogawa Y, Takeshita S, Kin C, Ogawa N.
    Journal: Int J Hematol; 1999 Apr; 69(3):174-9. PubMed ID: 10222656.
    Abstract:
    The association of Epstein-Barr virus (EBV) with Sjögren's syndrome (SS) is controversial. Reports suggest there is an increased risk of developing lymphoid malignancy in SS. Among our 425 cases of SS, 17 cases of malignant lymphoma (4%), 16 cases of non-Hodgkin's lymphoma (NHL), and 1 case of Hodgkin's disease were found. We looked for an association between EBV and 14 cases of NHL, 13 cases of B-cell lymphoma, and 1 case of T-cell lymphoma in which tissue specimens were available. Epstein-Barr virus-encoded RNA in situ hybridization study and polymerase chain reaction (PCR) study using primers to detect the Bam HI W fragment of EBV with DNA extracts were positive in 2 NHLs: 1 diffuse, large B-cell-type lymphoma, 1 out of 13 cases (8%) of B-cell lymphoma, and 1 angioimmunoblastic T-cell lymphoma with dysproteinemia. In the Bam HI W PCR study of DNA obtained from the labial small salivary glands of 55 cases with SS, 3 cases (5%) were positive. These 3 cases were not associated with malignant lymphoma. Our study revealed that EBV association in SS did not lead to an increased occurrence.
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