<?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>2007-4085</journal-id>
<journal-title><![CDATA[Revista mexicana de urología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. urol.]]></abbrev-journal-title>
<issn>2007-4085</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40852019000300007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carcinoma renal de células claras con metástasis tardía a páncreas e hígado]]></article-title>
<article-title xml:lang="en"><![CDATA[Clear cell renal cell carcinoma with late metastasis to the pancreas and liver]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ríos-Burgueño]]></surname>
<given-names><![CDATA[Efrén Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Verdugo-Nieto]]></surname>
<given-names><![CDATA[Lucía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velarde-Rodríguez]]></surname>
<given-names><![CDATA[Ismael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velarde-Félix]]></surname>
<given-names><![CDATA[Jesús Salvador]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Sinaloa Centro de Investigación y Docencia en Ciencias de la Salud Servicio de Anatomía Patológica]]></institution>
<addr-line><![CDATA[ Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Servicios de Salud de Sinaloa Hospital General de Culiacán &#8220;Bernardo J. Gastelum&#8221; Servicio de Anatomía Patológica]]></institution>
<addr-line><![CDATA[ Sinaloa]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Sinaloa Facultad de Medicina ]]></institution>
<addr-line><![CDATA[ Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Sinaloa Facultad de Biología ]]></institution>
<addr-line><![CDATA[ Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Servicios de Salud de Sinaloa Hospital General de Culiacán &#8220;Bernardo J. Gastelum&#8221; Dpto. de Medicina Genómica]]></institution>
<addr-line><![CDATA[ Sinaloa]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>79</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40852019000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40852019000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40852019000300007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes.  Las metástasis de carcinoma de células renales a páncreas y posteriormente a hígado son infrecuentes y a veces asintomáticas, por tal motivo el tiempo entre la nefrectomía y su detección puede demorar.  Caso clínico.  Mujer de 76 años con tumor en páncreas e hígado, con antecedente de nefrectomía derecha por carcinoma de células renales realizada hace 26 años, motivo por el cual se sometió a pancreatectomía distal y tratamiento con pazopanib, respectivamente. El nódulo pancreático dio positividad a citoqueratina 8, 18 y cd10, mientras que el resultado de estudio de la biopsia hepática fue neoplasia epitelial maligna. Ambos consistentes con metástasis de carcinoma renal de células claras.  Discusión.  Actualmente la paciente se encuentra asintomática, en seguimiento y vigilancia. Por la naturaleza biológica del carcinoma de células renales, sus metástasis deben buscarse intencionadamente para detectarlas en etapa temprana y ofrecer un tratamiento oportuno.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background. Metastases from clear cell renal cell carcinoma to the pancreas and to the liver are rare. Their presentation can be asymptomatic, and so detection after nephrectomy is often delayed.  Clinical case.  A 76-year-old woman had a surgical history, 26 years earlier, of right nephrectomy due to renal cell carcinoma. Years later, she presented with tumors in the pancreas and liver, for which she underwent distal pancreatectomy and treatment with pazopanib, respectively. The pancreatic nodule was positive for cytokeratin 8, 18, and CD10, and liver biopsy reported malignant epithelial neoplasia. Both results were consistent with metastatic clear cell renal cell carcinoma.  Discussion.  The patient is currently asymptomatic and in follow-up and surveillance. Due to the biologic nature of renal cell carcinoma, its metastases must be contemplated, for early stage detection and opportune treatment.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Pancreatic metastasis]]></kwd>
<kwd lng="en"><![CDATA[nephrectomy]]></kwd>
<kwd lng="en"><![CDATA[renal cell carcinoma]]></kwd>
<kwd lng="en"><![CDATA[Immunohistochemistry]]></kwd>
<kwd lng="es"><![CDATA[Metástasis pancreática]]></kwd>
<kwd lng="es"><![CDATA[nefrectomía]]></kwd>
<kwd lng="es"><![CDATA[carcinoma de células renales]]></kwd>
<kwd lng="es"><![CDATA[inmunohistoquímica]]></kwd>
</kwd-group>
</article-meta>
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