<?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>0026-1742</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina (México)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Med. (Méx.)]]></abbrev-journal-title>
<issn>0026-1742</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0026-17422022000300033</article-id>
<article-id pub-id-type="doi">10.22201/fm.24484865e.2022.65.3.06</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Síndrome de teratoma creciente. Reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Growing Teratoma Syndrome. A Case Report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Gordillo]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>65</volume>
<numero>3</numero>
<fpage>33</fpage>
<lpage>37</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0026-17422022000300033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0026-17422022000300033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0026-17422022000300033&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El síndrome de teratoma creciente es una entidad en la cual existen modificaciones histológicas de un teratoma maligno inmaduro tratado con quimioterapia y con marcadores tumorales negativos a un teratoma maduro. Dada la baja incidencia de la patología, se presenta el caso de una paciente con antecedente de tumoración ovárica con reporte de teratoma inmaduro la cual fue extraída. Recibió quimioterapia y normalización de marcadores séricos. Posteriormente presentó la aparición de una tumoración pélvica, retroperitoneal y hepática que nuevamente requirió intervención quirúrgica, con reporte patológico de teratoma quístico maduro.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Growing teratoma syndrome is an entity in which there are histological modifications of an immature malignant teratoma treated with chemotherapy and with negative tumor markers to a mature teratoma. Given the low incidence of the pathology, a case of a patient with a history of ovarian tumors with report of immature teratoma which was extracted is reported. The patient received chemotherapy with normalization of serum markers. Subsequently she presented a pelvic, retroperitoneal and hepatic tumor that again required surgical intervention with pathological report of mature cystic teratoma.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Teratoma]]></kwd>
<kwd lng="es"><![CDATA[marcadores tumorales]]></kwd>
<kwd lng="es"><![CDATA[quimioterapia]]></kwd>
<kwd lng="es"><![CDATA[tumor de células germinales no seminomatosos]]></kwd>
<kwd lng="es"><![CDATA[tomografía]]></kwd>
<kwd lng="en"><![CDATA[Teratoma]]></kwd>
<kwd lng="en"><![CDATA[tumor markers]]></kwd>
<kwd lng="en"><![CDATA[chemotherapy]]></kwd>
<kwd lng="en"><![CDATA[non-seminomatous germ cell tumor]]></kwd>
<kwd lng="en"><![CDATA[tomography]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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