Leucemia/linfoma agressivo de células NK/T.

Autores

  • Jamira Sousa Serviço de Medicina Interna, Hospitais da Universidade de Coimbra, Coimbra, Portugal.
  • Lourdes Cabezuelo
  • Sérgio Almeida
  • Carlos Filipe
  • Adélia Simão
  • Armando Carvalho
  • J Nascimento Costa

DOI:

https://doi.org/10.20344/amp.1547

Resumo

The authors describe an unusual case of a young man presenting with fever, asthenia, anorexia and jaundice, associated to hepatosplenomegaly, evolving rapidly to multiorganic failure. Final diagnosis revealed an aggressive NK cell leukemia/lymphoma associated to the Epstein-Barr virus (EBV). The diagnosis, suggested clinically and after bone marrow immunophenotyping, was confirmed by morphologic and immunohistochemical findings on the post-mortem hepatic and splenic biopsy .The tumor cells were positive for CD3 and cytotoxic molecules, TIA, granzyme B and perforin. The herein reported case is a rare clinical entity, only recently recognized and with a difficult early diagnosis. We emphasize the necessity to exclude a Natural Killer cell malignancy in cases with identical characteristics.

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1.
Sousa J, Cabezuelo L, Almeida S, Filipe C, Simão A, Carvalho A, Nascimento Costa J. Leucemia/linfoma agressivo de células NK/T. Acta Med Port [Internet]. 30 de Dezembro de 2011 [citado 18 de Julho de 2024];24:649-52. Disponível em: https://actamedicaportuguesa.com/revista/index.php/amp/article/view/1547

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