摘要
extranodal t/nk-cell lymphoma, nasal type: a case report and review of the literature. extranodal nk/t-cell lymphoma, nasal type, is an extranodal lymphoma, usually with an nk-cell phenotype and ebv possitive, with a broad morphologic spectrum, frequent necrosis and angioinvasion, and most commonly presenting in the midfacial region, but also in other extranodal sites. we present the case of a 42-years old-man with a intranasal mass, left cervical adenopathies and indolent thrombocytosis. the biopsy of the nasal mass showed a diffuse infiltrate of medium-sized lymphoid cells, with slightly irregular nuclei and moderate polymorphous. the immunophenotype of tumor cells was cd45+, ccd3+, granzyme b+, cd56+, cd20-,cd4-,cd8-, lmp1(ebv)-. the diagnosis of the case was extranodal t/nk-cell lymphoma, nasal type. there was not disseminated disease in the extent studies. with the diagnosis of localized extranodal t/nk-cell lymphoma and reactive thrombocytosis, the patient was treated with chemotherapy and sequential radiotherapy, followed by bone marrow transplantation.