IntroducciÓn: El linfoma extranodal derivado de células NK/T (LNK/T) es una variedad de linfoma no Hodgkin; el tipo nasal constituye la presentación más común. Nuestro objetivo es presentar un caso de LNK/T con afección del sistema nervioso central (SNC) que simuló una tuberculosis meningea.

Caso ClÍnico: Varón de 31 años con sensación de obstrucción nasal, cefalea, fiebre, panhipopituitarismo y mononeuropatía craneal múltiple, con lesión hipofisaria por imagen de resonancia magnética y engrosamiento dural, que evolucionó con pancitopenia y úlcera en el paladar blando. El diagnóstico se realizó mediante biopsia de cornete nasal compatible con infiltración por linfoma de estirpe T maduro NK.

Conclusiones: La afección del LNK/T al SNC es una forma rara de presentación. El diagnóstico de LNK/T se puede ver retrasado por la presencia de síntomas heterogéneos. En nuestra población, la infección por Mycobacterium debe ser considerada como diagnóstico diferencial.

Background: Lymphoma of NK/T cells (LNK/T) is a variety of non-Hodgkin lymphoma; the nasal type is the most common presentation. The aim of this article is to present a case of LNK/T with affection to central nervous system that imitates meningeal tuberculosis.

Case Report: 31 years old man with nasal blockage feeling, headache, fever, panhypopituitarism and multiple cranial mononeuropathy, with a pituitary injury demonstrated by magnetic resonance image and meningeal thickening, that progress with pancytopenia and soft palate ulcer. The diagnosis was made by nasal concha biopsy compatible with lymphoma infiltration, of LNK/T cell linage.

Conclusions: The affectation of LNK/T cell lymphoma in central nervous system is a rare presentation. the diagnosis could be delayed for the presence of heterogeneous symptoms. Mycobacterium infection must be considered as a differential diagnosis in our population.

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http://dx.doi.org/10.24875/RMIMSS.M20000079DOI Listing

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