<?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>0028-3746</journal-id>
<journal-title><![CDATA[Neumología y cirugía de tórax]]></journal-title>
<abbrev-journal-title><![CDATA[Neumol. cir. torax]]></abbrev-journal-title>
<issn>0028-3746</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Neumología y Cirugía de Tórax; Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas; Sociedad Cubana de Neumología; Sociedad Paraguaya de Neumología; Sociedad Boliviana de Neumología.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0028-37462022000300209</article-id>
<article-id pub-id-type="doi">10.35366/111095</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Mediastinal liposarcoma in an adolescent]]></article-title>
<article-title xml:lang="es"><![CDATA[Liposarcoma mediastinal en una adolescente]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Valencia]]></surname>
<given-names><![CDATA[Juliana Lucia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero-Espitia]]></surname>
<given-names><![CDATA[Walter]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loockhart]]></surname>
<given-names><![CDATA[Angelo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital San Vicente Fundación  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2022</year>
</pub-date>
<volume>81</volume>
<numero>3</numero>
<fpage>209</fpage>
<lpage>212</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0028-37462022000300209&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0028-37462022000300209&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0028-37462022000300209&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Sarcomas of the mediastinum are rare. The incidence in pediatric age is unknown. Its symptoms are caused by the compression of structures in the mediastinum. We present a case of a 15-year-old adolescent, she had dyspnea and chest pain, an anterior mediastinal mass was identified, in imaging studies the mass had various areas of soft tissue density and fatty tissue with histology reporting liposarcoma. She was managed with surgical resection and postoperative radiotherapy. Less than 25 cases have been reported in children under 18 years of age, surgical management is the mainstay in treatment and the prognosis is given by complete resection of the lesion.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los sarcomas del mediastino son raros. Se desconoce la incidencia en la edad pediátrica. Sus síntomas son causados por la compresión de estructuras en el mediastino. Presentamos el caso de una adolescente de 15 años con disnea y dolor torácico, se identificó una masa en mediastino anterior, en estudios imagenológicos la masa presentaba diversas áreas de densidad de tejidos blandos y tejido graso con histología que reportó liposarcoma. Se manejó con resección quirúrgica y radioterapia posoperatoria. Se han reportado menos de 25 casos en menores de 18 años, el manejo quirúrgico es el pilar del tratamiento y el pronóstico está dado por la resección completa de la lesión.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[neoplasms]]></kwd>
<kwd lng="en"><![CDATA[mediastinum]]></kwd>
<kwd lng="en"><![CDATA[sarcoma]]></kwd>
<kwd lng="en"><![CDATA[surgery]]></kwd>
<kwd lng="es"><![CDATA[neoplasias]]></kwd>
<kwd lng="es"><![CDATA[mediastino]]></kwd>
<kwd lng="es"><![CDATA[sarcoma]]></kwd>
<kwd lng="es"><![CDATA[cirugía]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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