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Linfoma de células NK/T subtipo nasal ­ relato de caso / Nasal subtype NK/T cell lymphoma ­ case report
Lamaison, Diniz Brum; Matheus Navarrina Trindade; Flávia Vieira Lopes; Josué Almeida Victorino; Marina Pasa; Bruna de Matos Bauer.
  • Lamaison, Diniz Brum; Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA). BR
Rev. Assoc. Méd. Rio Gd. do Sul ; 65(2): 01022105, Abr. - Jun. 2021.
Article in Portuguese | LILACS | ID: biblio-1369006
RESUMO
RESUMO O linfoma de células NK/T subtipo nasal tem baixa incidência e alta agressividade, mostrando-se necessário diagnóstico precoce. Tal se mostra desafiador devido à sua manifestação clínica inicial, semelhante a quadro infeccioso de vias aéreas superiores. Por meio deste estudo observacional descritivo, relatam-se casos deste linfoma acometendo paciente masculino e outro feminino, ambos com diagnóstico tardio e com envolvimento de vias aéreas superiores sem resposta à antibioticoterapia. À exame de imagem, apresentaram lesão expansiva em cavidade nasal e o diagnóstico se deu por meio de estudo histológico com marcadores imuno-histoquímicos de células NK atípicas e presença de vírus Epstein-Barr (EBV). PALAVRAS-CHAVE Linfoma de células NK/T tipo nasal, Epstein-Barr vírus, linfoma não-hodgkin, linfoma de células T periférico
ABSTRACT
ABSTRACT Nasal subtype NK/T cell lymphoma has a low incidence and high aggressiveness, and early diagnosis is necessary. This is challenging due to its initial clinical manifestation, similar to an upper airway infection. Through this descriptive observational study, we report cases of this lymphoma affecting a male and a female patient, both with late diagnosis and involvement of the upper airways without response to antibiotic therapy. On imaging scan, they presented an expansive lesion in the nasal cavity and the diagnosis was made through histological study with immunohistochemical markers of atypical NK cells and the presence of Epstein-Barr virus (EBV). KEYWORDS NK/T-cell lymphoma nasal type, Epstein-Barr virus, Lymphoma non Hodgkin, T-cell lymphoma
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Lymphoma, Non-Hodgkin / Lymphoma, T-Cell / Lymphoma, T-Cell, Peripheral / Herpesvirus 4, Human / Lymphoma, Extranodal NK-T-Cell / Lymphoma Type of study: Observational study / Screening study Limits: Humans Language: Portuguese Journal: Rev. Assoc. Méd. Rio Gd. do Sul Year: 2021 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA)/BR

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Full text: Available Index: LILACS (Americas) Main subject: Lymphoma, Non-Hodgkin / Lymphoma, T-Cell / Lymphoma, T-Cell, Peripheral / Herpesvirus 4, Human / Lymphoma, Extranodal NK-T-Cell / Lymphoma Type of study: Observational study / Screening study Limits: Humans Language: Portuguese Journal: Rev. Assoc. Méd. Rio Gd. do Sul Year: 2021 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA)/BR