<?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>S0035-00522024000600235</article-id>
<article-id pub-id-type="doi">10.35366/120539</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Enfermedad de Erdheim-Chester en un paciente pediátrico]]></article-title>
<article-title xml:lang="en"><![CDATA[Erdheim-Chester disease in a pediatric patient]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Solano]]></surname>
<given-names><![CDATA[Héctor Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toledo-Nuñez]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navar-Mendiola]]></surname>
<given-names><![CDATA[Carlos Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mares-Gil]]></surname>
<given-names><![CDATA[José Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Uribe-Ortiz]]></surname>
<given-names><![CDATA[Leslie Valeria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ancona-Lezama]]></surname>
<given-names><![CDATA[David Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,IMSS Puebla Hospital General de Zona No. 20 Servicio de Oftalmología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Hospital &#8220;Nuestra Señora de la Luz&#8221;  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Eye Cancer Institute  ]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Tecnológico de Monterrey Escuela de Medicina Departamento de Pediatría]]></institution>
<addr-line><![CDATA[Monterrey Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>91</volume>
<numero>6</numero>
<fpage>235</fpage>
<lpage>238</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-00522024000600235&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-00522024000600235&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-00522024000600235&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  Presentamos un caso de enfermedad de Erdheim-Chester, la cual es un tipo de histiocitosis que raramente ocurre en edad pediátrica.  Presentación del caso:  Masculino de siete años, quien fue referido a oftalmología por una masa orbitaria supratemporal derecha persistente, de cuatro meses de evolución, acompañada de edema, eritema y ptosis temporal. El paciente mantenía agudeza visual de 20/20. Se realizó resección completa de la masa. Por estudio histopatológico se estableció el diagnóstico de esta enfermedad.  Conclusiones:  Este caso enfatiza la necesidad de considerar la enfermedad de Erdheim-Chester en el diagnóstico diferencial de lesiones orbitarias en niños.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  We present a case of Erdheim-Chester disease, which is a type of histiocytosis that rarely occurs in children.  Case presentation:  A seven-year-old male was referred to Ophthalmology for a persistent right supratemporal orbital mass of four months&#8217; duration, accompanied by edema, erythema, and temporal ptosis. The patient maintained 20/20 visual acuity. Complete resection of the mass was performed. The diagnosis of this disease was established by histopathological study.  Conclusions:  This case underscores the need to consider Erdheim-Chester disease in the differential diagnosis of orbital lesions in children.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[escolar]]></kwd>
<kwd lng="es"><![CDATA[Erdheim-Chester]]></kwd>
<kwd lng="es"><![CDATA[masa orbitaria]]></kwd>
<kwd lng="es"><![CDATA[histiocitosis]]></kwd>
<kwd lng="en"><![CDATA[children]]></kwd>
<kwd lng="en"><![CDATA[Erdheim-Chester]]></kwd>
<kwd lng="en"><![CDATA[orbital mass]]></kwd>
<kwd lng="en"><![CDATA[histiocytosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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