<?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>0484-7903</journal-id>
<journal-title><![CDATA[Revista mexicana de anestesiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. anestesiol.]]></abbrev-journal-title>
<issn>0484-7903</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Anestesiología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0484-79032024000200128</article-id>
<article-id pub-id-type="doi">10.35366/115322</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Neurólisis erector de la espina a nivel torácico T4 en paciente pediátrico con sarcoma de Ewing: reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[T4 thoracic level erector spine neurolysis in a pediatric patient with Ewing sarcoma: a case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rey-Atehortúa]]></surname>
<given-names><![CDATA[María Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Arteta]]></surname>
<given-names><![CDATA[Bilena Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Botía-Pinzón]]></surname>
<given-names><![CDATA[Sandra Marisel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Cancerología  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Cancerología  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Fundación Universitaria Juan N Corpas  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>47</volume>
<numero>2</numero>
<fpage>128</fpage>
<lpage>131</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0484-79032024000200128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0484-79032024000200128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0484-79032024000200128&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El sarcoma de Ewing es un tumor de células pequeñas redondas azules; se encuentra más comúnmente en niños y adultos jóvenes, produciendo una alta carga de síntomas, el más prevalente es el dolor que suele ser severo y tener un comportamiento crónico. Distintas vías de neurotransmisión, canales y receptores proponen que la terapia analgésica sea individualizada. Describimos un caso de sarcoma de Ewing con dolor neuropático severo refractario a opioides con el objetivo de presentar una alternativa de manejo analgésico en este tipo de pacientes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Ewing&#8217;s sarcoma is a small round blue cell tumor; most commonly found in children and young adults, producing a high burden of symptoms, the most prevalent being pain that is usually severe and has a chronic behavior. Different neurotransmission pathways, channels and receptors propose that analgesic therapy be individualized. We present a case of Ewing sarcoma with severe neuropathic pain refractory to opioids with the aim of presenting an alternative analgesic management in this type of patients.]]></p></abstract>
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<kwd lng="es"><![CDATA[neurólisis]]></kwd>
<kwd lng="es"><![CDATA[neoplasias]]></kwd>
<kwd lng="es"><![CDATA[dolor oncológico pediátrico]]></kwd>
<kwd lng="es"><![CDATA[plano erector de la espina]]></kwd>
<kwd lng="en"><![CDATA[neurolysis]]></kwd>
<kwd lng="en"><![CDATA[neoplasms]]></kwd>
<kwd lng="en"><![CDATA[pediatric oncologic pain]]></kwd>
<kwd lng="en"><![CDATA[erector spinae plane]]></kwd>
</kwd-group>
</article-meta>
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