<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2024000100128</article-id>
<article-id pub-id-type="doi">10.24875/ciru.21000717</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Metástasis pancreática de sarcoma pleomórfico indiferenciado. Una entidad extremadamente rara]]></article-title>
<article-title xml:lang="en"><![CDATA[Pancreatic metastasis from undifferentiated pleomorphic sarcoma. An extremely rare entity]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso-Batanero]]></surname>
<given-names><![CDATA[Ester]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solar-García]]></surname>
<given-names><![CDATA[Lorena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-del Burgo]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Miyar-de León]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Servicio de Cirugía General y del Aparato Digestivo Sección Hepatobiliopancreática ]]></institution>
<addr-line><![CDATA[Oviedo ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario Central de Asturias Servicio de Anatomía Patológica ]]></institution>
<addr-line><![CDATA[Oviedo ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2024</year>
</pub-date>
<volume>92</volume>
<numero>1</numero>
<fpage>128</fpage>
<lpage>130</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2024000100128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2024000100128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2024000100128&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El sarcoma pleomórfico indiferenciado (SPI) es un tumor maligno muy agresivo que se origina en el hueso o tejidos blandos, siendo su localización más frecuente en las extremidades. Presentamos el caso de un varón de 71 años que a los dos años de seguimiento tras cirugía de exéresis de un SPI presenta una metástasis única de origen sarcomatoide a nivel del páncreas que se trató mediante duodenopancreatectomía cefálica. Las metástasis sarcomatoides a nivel de páncreas son extremadamente raras. La cirugía de exéresis de la metástasis es la única alternativa terapéutica que ha reportado beneficio en cuanto la supervivencia de estos pacientes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Undifferentiated pleomorphic sarcoma (UPS) is a very aggressive malignant tumor that originates in bone or soft tissues, being its most frequent location in the extremities. We present the case of a 71-year-old man who, two years of follow-up after a lower right limb UPS excision surgery, presented a single metastasis of sarcomatoid origin in the pancreas that was treated by cephalic pancreaticoduodenectomy. Sarcomatoid metastases to the pancreas are extremely rare. Resection of the metastasis is the only therapeutic alternative that has reported benefit in terms of the survival of these patients.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sarcoma de partes blandas]]></kwd>
<kwd lng="es"><![CDATA[Metástasis]]></kwd>
<kwd lng="es"><![CDATA[Duodenopancreatectomía]]></kwd>
<kwd lng="es"><![CDATA[Páncreas]]></kwd>
<kwd lng="en"><![CDATA[Soft tissue sarcoma]]></kwd>
<kwd lng="en"><![CDATA[Metastasis]]></kwd>
<kwd lng="en"><![CDATA[Pancreatoduodenectomy]]></kwd>
<kwd lng="en"><![CDATA[Pancreas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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