<?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>0035-0052</journal-id>
<journal-title><![CDATA[Revista mexicana de pediatría]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. pediatr.]]></abbrev-journal-title>
<issn>0035-0052</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Pediatría A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-00522020000500195</article-id>
<article-id pub-id-type="doi">10.35366/97174</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Linfoma de Burkitt nasofaríngeo]]></article-title>
<article-title xml:lang="en"><![CDATA[Nasopharyngeal Burkitt lymphoma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Rodríguez]]></surname>
<given-names><![CDATA[Eulalio Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arzola-Medrano]]></surname>
<given-names><![CDATA[Manuel Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Labastida]]></surname>
<given-names><![CDATA[Laura Elvira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Coahuila Facultad de Medicina ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital del Niño &#8220;Dr. Federico Gómez Santos&#8221;  ]]></institution>
<addr-line><![CDATA[Coahuila ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Coahuila Hospital Universitario de Saltillo Servicio de Anatomía Patológica]]></institution>
<addr-line><![CDATA[Saltillo Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2020</year>
</pub-date>
<volume>87</volume>
<numero>5</numero>
<fpage>195</fpage>
<lpage>200</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-00522020000500195&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-00522020000500195&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-00522020000500195&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción: El linfoma de Burkitt es una neoplasia causada por la proliferación clonal de células B. El objetivo de este trabajo es dar a conocer un caso de linfoma de Burkitt de localización en nasofaringe, lo cual es una presentación muy poco frecuente.  Caso clínico:  Paciente femenino de ocho años, con padecimiento caracterizado por ronquidos y cambios en la fonación sugestivos de sinusitis crónica. Como parte del estudio, en una tomografía se observó masa de aspecto benigno en nasofaringe. Por nasofibrolaringoscopía se sugiere toma de biopsia. Sin embargo, la paciente evoluciona con disfagia y parálisis facial. El reporte de biopsia fue de linfoma no Hodgkin, de patrón difuso, por lo que se realizan estudios de inmunohistoquímica que determinan linfoma de Burkitt. La paciente fue tratada con quimioterapia con éxito.  Conclusión:  El linfoma de Burkitt con localización nasofaríngea puede presentar sintomatología inespecífica o simular otras afecciones, por lo cual forma parte del diagnóstico diferencial en problemas de senos paranasales, nariz o de deglución.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  Burkitt&#8217;s lymphoma is a neoplasm caused by the clonal proliferation of B cells. This article aims to present a case of Burkitt&#8217;s lymphoma located in the nasopharynx, which is a very rare presentation.  Clinical case:  Eight-year-old female patient with a condition characterized by snoring and changes in speech suggestive of chronic sinusitis. As part of the study, a mass with a benign appearance was observed in the nasopharynx, by tomography. By nasofibrolaryngoscopy, biopsy is suggested. The biopsy report was of non-Hodgkin&#8217;s lymphoma, with a diffuse pattern, and Burkitt&#8217;s lymphoma was determined by immunohistochemistry. The patient was successfully treated with chemotherapy.  Conclusion:  Burkitt lymphoma with nasopharyngeal location can present nonspecific symptoms or simulate other conditions, for which it is part of the differential diagnosis the paranasal sinuses, nose or swallowing diseases.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Linfoma de Burkitt]]></kwd>
<kwd lng="es"><![CDATA[linfoma no Hodgkin]]></kwd>
<kwd lng="es"><![CDATA[pediátrico]]></kwd>
<kwd lng="es"><![CDATA[nasofaringe]]></kwd>
<kwd lng="en"><![CDATA[Burkitt lymphoma]]></kwd>
<kwd lng="en"><![CDATA[non-Hodgkin lymphoma]]></kwd>
<kwd lng="en"><![CDATA[pediatric]]></kwd>
<kwd lng="en"><![CDATA[nasopharynx]]></kwd>
</kwd-group>
</article-meta>
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