<?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>S2565-005X2025000500082</article-id>
<article-id pub-id-type="doi">10.24875/j.gamo.25000046</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Undifferentiated pancreatic carcinoma with osteoclast-like cells: case report]]></article-title>
<article-title xml:lang="es"><![CDATA[Carcinoma pancreático indiferenciado con células tipo osteoclastos: reporte de caso]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bermudez-Ruiz]]></surname>
<given-names><![CDATA[Judith del R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guillén-González]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Sánchez]]></surname>
<given-names><![CDATA[Lucero G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mercado-Mendiola]]></surname>
<given-names><![CDATA[Alondra G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Izaguirre]]></surname>
<given-names><![CDATA[Ana S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Portales]]></surname>
<given-names><![CDATA[Marisol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Sánchez]]></surname>
<given-names><![CDATA[Victor A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Botello-Hernandez]]></surname>
<given-names><![CDATA[Zazil]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guanajuato Hospital Regional ISSSTE León General Surgery]]></institution>
<addr-line><![CDATA[Gto ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Aranda de La Parra General Surgery ]]></institution>
<addr-line><![CDATA[Gto ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Regional de Alta Especialidad del Bajío Imaging and Therapeutic Diagnosis ]]></institution>
<addr-line><![CDATA[Gto ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>24</volume>
<fpage>82</fpage>
<lpage>87</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2565-005X2025000500082&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2565-005X2025000500082&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2565-005X2025000500082&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Undifferentiated osteoclast-like giant cell pancreatic carcinoma (UC-OGC) is a rare pancreatic carcinoma that is composed of osteoclast-like giant cells among other cells and is hardly described in the literature due to its infrequent presentation. We report a 63-year-old Mexican woman who presented with undifferentiated pancreatic carcinoma with osteoclast-like cells mimicking a cystic tumor, with a successful surgical treatment with a follow-up of 3 years without deterioration. We present this case to add to the existing literature on UC-OGC of the pancreas since it is an extremely rare pathology with little information about its treatment.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El carcinoma pancreático indiferenciado con células gigantes tipo osteoclasto (UC-OGC) es un cáncer pancreático raro, compuesto por células gigantes tipo osteoclasto, apenas descrito en la literatura debido a su infrecuente presentación. Reportamos el caso de una mujer mexicana de 63 años que presentó un carcinoma pancreático UC-OGC simulando un tumor quístico, con un tratamiento quirúrgico exitoso y un seguimiento de tres años sin deterioro. Presentamos este caso para contribuir a la literatura existente sobre el carcinoma pancreático UC-OGC, ya que se trata de una patología extremadamente rara y hay poca información sobre su tratamiento.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Pancreatic cancer]]></kwd>
<kwd lng="en"><![CDATA[Osteoclast]]></kwd>
<kwd lng="en"><![CDATA[Undifferentiated carcinoma]]></kwd>
<kwd lng="en"><![CDATA[Case report]]></kwd>
<kwd lng="es"><![CDATA[Cáncer de páncreas]]></kwd>
<kwd lng="es"><![CDATA[Osteoclastos]]></kwd>
<kwd lng="es"><![CDATA[Carcinoma indiferenciado]]></kwd>
<kwd lng="es"><![CDATA[Reporte de caso]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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