Abstract

KHOSRAVI SHAHI, P.  and  DIAZ MUNOZ DE LA ESPADA, V. M.. Extranodal T/NK-cell lymphoma, nasal type: a case report and review of the literature. An. Med. Interna (Madrid) [online]. 2005, vol.22, n.12, pp.597-600. ISSN 0212-7199.

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.

Keywords : T/NK lymphoma extranodal; CD56; cCD3; EBV; Nasal type.

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