<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032026000300311</article-id>
<article-id pub-id-type="doi">10.35366/123163</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Teratoma en mediastino anterior]]></article-title>
<article-title xml:lang="en"><![CDATA[Anterior mediastinal teratoma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Lezama]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez Carrillo]]></surname>
<given-names><![CDATA[Luis Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Armenta Flores]]></surname>
<given-names><![CDATA[Rómulo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Angeles León  ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Angeles León División de Medicina ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Médica Campestre División de Medicina ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2026</year>
</pub-date>
<volume>24</volume>
<numero>3</numero>
<fpage>311</fpage>
<lpage>313</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032026000300311&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032026000300311&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032026000300311&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Mediastinal teratomas are germ cell tumors located in the anterior mediastinum and represent the most common extragonadal germ cell tumors, making up 50-70% of such tumors. They represent ~15% of anterior mediastinal masses in adults and 25% of anterior mediastinal masses in children. The age of presentation is wide; in adults it is highest, between 20 and 30 years; in children under one year of age, immature teratomas are common (40%) and detected prenatally; there is a slight female predominance in mature teratomas; immature types are exclusively male.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[teratoma]]></kwd>
<kwd lng="en"><![CDATA[anterior mediastinal tumor]]></kwd>
<kwd lng="en"><![CDATA[incidental finding]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[PT]]></given-names>
</name>
<name>
<surname><![CDATA[Heller]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Anterior Mediastinal Mass. 2024]]></article-title>
<source><![CDATA[StatPearls]]></source>
<year>2025</year>
<publisher-loc><![CDATA[Treasure Island (FL) ]]></publisher-loc>
<publisher-name><![CDATA[StatPearls Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Murguía]]></surname>
<given-names><![CDATA[GH]]></given-names>
</name>
</person-group>
<source><![CDATA[Tumores germinales de mediastino en el servicio de cirugía oncológica del Instituto Nacional de Pediatría [Tesis]]]></source>
<year>2014</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tian]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Ma]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Surgical treatment of benign mediastinal teratoma: summary of experience of 108 cases]]></article-title>
<source><![CDATA[J Cardiothorac Surg]]></source>
<year>2020</year>
<volume>15</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>36</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García-Vega]]></surname>
<given-names><![CDATA[LJ]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Rentería]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[García-González]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[García-Carrazco]]></surname>
<given-names><![CDATA[CF]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar-Soto]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tumor mediastinal gigante de células germinales. Un reto en el manejo quirúrgico]]></article-title>
<source><![CDATA[Neumol Cir Torax]]></source>
<year>2021</year>
<volume>80</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>300-4</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Okazaki]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Shien]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Suzawa]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sugimoto]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Toyooka]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Robotic mediastinal tumor resections: position and port placement]]></article-title>
<source><![CDATA[J Pers Med]]></source>
<year>2022</year>
<volume>12</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1195</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
