<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0138-6557</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina Militar]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. cuban. med. mil.]]></abbrev-journal-title>
<issn>0138-6557</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0138-65572023000100036</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Linfoma de células T/natural killer extranodal de tipo nasal enmascarado en una sinusopatia]]></article-title>
<article-title xml:lang="en"><![CDATA[Nasal-type extranodal T-cell lymphoma/Natural killer masked in sinusopathy, a frequent manifestation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bernal]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tuta-Quintero]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Balcazar]]></surname>
<given-names><![CDATA[Emma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Franco]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kuan]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Collazos]]></surname>
<given-names><![CDATA[Estefania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trujillo Angel]]></surname>
<given-names><![CDATA[Juan F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Taboada]]></surname>
<given-names><![CDATA[Elga]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martinez Ayala]]></surname>
<given-names><![CDATA[Maria Camila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Sabana Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Chía Cundinamarca]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>52</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0138-65572023000100036&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0138-65572023000100036&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0138-65572023000100036&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: El linfoma de células T citotóxico/natural killer extranodal de tipo nasal es poco frecuente, pero con alta tasa de mortalidad. Las manifestaciones clínicas de la enfermedad pueden simular una infección de senos paranasales.  Objetivo: Presentar las manifestaciones clínicas de un paciente de 34 años de edad con diagnóstico de linfoma de células T citotóxico/natural killer extranodal de tipo nasal.  Caso clínico: Se presenta un paciente masculino de 34 años de edad con rinorrea verdosa fétida recurrente y obstrucción en fosa nasal derecha. En la evaluación inicial sugiere sinusitis crónica, sin embargo, debido al empeoramiento de las manifestaciones clínicas se realiza una tomografía computarizada que muestra lesiones sugestivas de infiltración neoplásica, una biopsia de la lesión confirma el diagnóstico de linfoma de células T/natural killer extranodal de tipo nasal.  Conclusiones: Los linfomas de células T citotóxico/natural killer extranodal de tipo nasal son considerados neoplasias poco frecuentes, caracterizadas por el patrón rápidamente progresivo con afectación ósea; en su etapa inicial presenta manifestaciones clínicas similares a una sinusitis. La tomografía computarizada y la histopatología, son indispensables en el diagnóstico de la enfermedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Nasal-type extranodal natural killer/cytotoxic T-cell lymphoma is rare but has a high mortality rate. The clinical manifestations of the disease can mimic a paranasal sinus infection.  Objective:  To present the clinical manifestations of a 34-year-old patient diagnosed with nasal-type extranodal natural killer/cytotoxic T-cell lymphoma.  Clinical case:  A 34-year-old male patient with recurrent greenish fetid rhinorrhea and obstruction in the right nostril is presented. In the initial evaluation, it suggests chronic sinusitis, however, due to the worsening of the clinical manifestations, a computed tomography is performed that shows lesions suggestive of neoplastic infiltration, a biopsy of the lesion confirms the diagnosis of T-cell lymphoma/extranodal natural killer.  Conclusions:  Nasal-type extranodal natural killer/cytotoxic T-cell lymphomas are considered rare neoplasms characterized by a rapidly progressive pattern with bone involvement; in its initial stage it presents clinical manifestations similar to sinusitis. Computed tomography and histopathology are essential in the diagnosis of the disease.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[linfoma T/NK]]></kwd>
<kwd lng="es"><![CDATA[granuloma letal de la línea media]]></kwd>
<kwd lng="es"><![CDATA[neoplasias de nariz]]></kwd>
<kwd lng="es"><![CDATA[sinusitis]]></kwd>
<kwd lng="en"><![CDATA[NK/T-cell lymphoma]]></kwd>
<kwd lng="en"><![CDATA[lethal midline granuloma]]></kwd>
<kwd lng="en"><![CDATA[nose neoplasms]]></kwd>
<kwd lng="en"><![CDATA[sinusitis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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