Nodal EBV+ cytotoxic T-cell lymphoma: A literature review based on the 2017 WHO classification
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- Kato Seiichi
- Department of Pathology and Molecular Diagnostics, Aichi Cancer Center Hospital, Nagoya, Japan,
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- Yamashita Daisuke
- Department of Pathology, Kobe City Hospital Organization Kobe City Medical Center General Hospital, Kobe, Japan,
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- Nakamura Shigeo
- Department of Pathology and Laboratory Medicine, Nagoya University Hospital, Nagoya, Japan
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<p>Nodal Epstein-Barr virus (EBV)-positive cytotoxic T-cell lymphoma (CTL) is a primary nodal peripheral T-cell lymphoma (PTCL) characterized by a cytotoxic phenotype and EBV on the tumor cells. This disease reportedly accounts for 21% of PTCL not otherwise specified (NOS). However, few nodal EBV+ lymphomas have been documented in detail. Nodal EBV+ CTL and nasal-type NK/T-cell lymphoma (NKTL) both exhibit cytotoxic molecule expression and EBV positivity on the tumor cells; however, nodal EBV+ CTL is characterized as a systemic disease without nasopharyngeal involvement, and exhibits a CD8+/CD56− phenotype distinct from NKTL. The clinicopathological uniqueness of nodal EBV+ CTL is further supported by its T-cell origin in most reported cases. In the 2008 WHO classification, it was unclear whether nodal EBV+ CTL should be classified as PTCL or NKTL. However, based on additional data, the 2017 revision classifies nodal EBV+ CTL as PTCL. In the present review, we focus on the clinicopathological characteristics of nodal EBV+ CTL, discuss the relationship between chronic active EBV infection and nodal EBV+ lymphoma, and highlight future perspectives regarding the treatment of this disease.</p>
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- Ｊｏｕｒｎａｌ ｏｆ Ｃｌｉｎｉｃａｌ ａｎｄ Ｅｘｐｅｒｉｍｅｎｔａｌ Ｈｅｍａｔｏｐａｔｈｏｌｏｇｙ
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Ｊｏｕｒｎａｌ ｏｆ Ｃｌｉｎｉｃａｌ ａｎｄ Ｅｘｐｅｒｉｍｅｎｔａｌ Ｈｅｍａｔｏｐａｔｈｏｌｏｇｙ 60 (2), 30-36, 2020
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