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  • Title: Onset of pulmonary Epstein-Barr virus-positive diffuse large B-cell lymphoma in a patient with silicosis.
    Author: Ogata R, Soda H, Tanaka Y, Senju H, Shimada M, Yamashita K, Nakashima S, Umemura A, Yoshida M, Hara T, Jinnai S, Iwasaki K, Fukuda Y, Yamaguchi H, Mukae H.
    Journal: Thorac Cancer; 2022 Jan; 13(1):133-136. PubMed ID: 34821472.
    Abstract:
    How Epstein-Barr virus (EBV)-positive diffuse large B-cell lymphoma (DLBCL) occasionally occurs following chronic inflammation remains to be elucidated. The case of a 57-year-old man who developed pulmonary EBV-positive DLBCL from underlying silicosis lesions is presented. Immunohistochemical examination of the resected silicosis lesions showed predominant helper T cells and M1/M2 macrophages, with a lack of B cells, regulatory T cells, and resident memory T cells. Two years later, EBV-positive DLBCL emerged unexpectedly from the silicosis. The imbalance of the immune cells in the microenvironment, at least in part, may help explain how chronic inflammation contributes to EBV-positive DLBCL.
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