<?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>2565-005X</journal-id>
<journal-title><![CDATA[Gaceta mexicana de oncología]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. mex. oncol.]]></abbrev-journal-title>
<issn>2565-005X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oncología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2565-005X2023000500008</article-id>
<article-id pub-id-type="doi">10.24875/j.gamo.22000050</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Adolescente de sexo femenino con teratoma monodérmico extragonadal y gigante]]></article-title>
<article-title xml:lang="en"><![CDATA[Female adolescent with extragonadal and giant monodermal teratoma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Chávez]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lazcano-Rojas]]></surname>
<given-names><![CDATA[Edgar G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardeñas-Vargas]]></surname>
<given-names><![CDATA[Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jesús]]></surname>
<given-names><![CDATA[Juanita Sandoval-de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sainz-de-la-Peña-Hernández]]></surname>
<given-names><![CDATA[Beth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Plácido-Méndez]]></surname>
<given-names><![CDATA[Aureliano M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Mijares]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado Centro Médico Nacional 20 de Noviembre Servicio de Cirugía Pediátrica]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado Centro Médico Nacional 20 de Noviembre Servicio de Cirugía Oncológica Pediátrica]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado Centro Médico Nacional 20 de Noviembre Servicio de Oncología Pediátrica]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado Centro Médico Nacional 20 de Noviembre Jefatura de Patología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado Centro Médico Nacional 20 de Noviembre Departamento de Patología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>22</volume>
<fpage>8</fpage>
<lpage>12</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2565-005X2023000500008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2565-005X2023000500008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2565-005X2023000500008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El teratoma maduro es el subtipo de tumor de células germinales que incluye las tres capas germinales. La presentación más común en pediatría es extragonadal, en raras ocasiones se observan tumores de componente monodérmico, los cuales suelen presentarse a nivel gonadal. Se presenta el caso de una paciente adolescente de 13 años con un año de evolución con tumoración abdominal. Los estudios de ultrasonido, tomografía y resonancia evidenciaron tumor heterogéneo, con elevación discreta de CA-125, se realiza laparotomía y resección completa de la lesión (con un peso de 11.2 kg). Reporte histopatológico de teratoma maduro monodérmico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The mature teratoma is the subtype of germ cell tumor that includes the three germ layers. The most common presentation in pediatrics is extragonadal, on rare occasions monodermal component tumors are observed, which usually present at the gonadal level. We present the case of a 13-year-old female adolescent patient with one year of evolution with abdominal tumor. Ultrasound, tomography and resonance studies showed heterogeneous tumor, with slight elevation of CA-125: laparotomy and complete resection of the lesion was performed, with a weight of 11.2 kg. Histopathological report: monodermal mature teratoma.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Teratoma]]></kwd>
<kwd lng="es"><![CDATA[Monodérmico]]></kwd>
<kwd lng="es"><![CDATA[Extragonadal]]></kwd>
<kwd lng="es"><![CDATA[Gigante]]></kwd>
<kwd lng="en"><![CDATA[Monodermic]]></kwd>
<kwd lng="en"><![CDATA[Teratoma]]></kwd>
<kwd lng="en"><![CDATA[Extragonadal]]></kwd>
<kwd lng="en"><![CDATA[Giant]]></kwd>
</kwd-group>
</article-meta>
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