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Nihon Rinsho. 1997 Feb;55(2):394-9.

[Clinical, phenotypic and genotypic aspects of nasal T-cell lymphoma and its causal association with Epstein-Barr virus].

[Article in Japanese]

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  • 1Department of Otolaryngology, School of Medicine, Sapporo Medical University.

Abstract

The authors reviewed the clinical, phenotypic, genotypic, and Epstein-Barr virus (EBV)-findings of 18 patients with nasal T-cell lymphoma(NTL). The clinical features were characterized as prolonged fever, widespread dissemination into distant sites, and poor prognosis with median survival of only 6 months. EBV-encoded small nuclear early region(EBER) transcripts were identified in 16 of 18 patients. Monoclonal EBV genome, EBV-encoded nuclear antigen(EBNA)-1, and latent membrane protein(LMP)-1 were also detected in all EBER-positive cases tested. All EBV-positive NTL showed coexpression of natural killer(NK) cell phenotype CD56 and CD2. Of 9 EBV-positive NTL, seven cases expressed T-cell receptor (TCR)-delta chain with rearranged beta-, gamma- and/or delta- genes. These data suggest that some cases of EBV-positive NTL may be derived from the lineage of NK-like T-cells or gamma delta T-cells, and that EBV may play a role in the lymphomagenesis.

PMID:
9046830
[PubMed - indexed for MEDLINE]
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