<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032023000300273</article-id>
<article-id pub-id-type="doi">10.35366/111353</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tumor de Klatskin: colangiocarcinoma hiliar]]></article-title>
<article-title xml:lang="en"><![CDATA[Klatskin tumor: hilar cholangiocarcinoma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez García]]></surname>
<given-names><![CDATA[Ángela Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ávila Perfino]]></surname>
<given-names><![CDATA[María Denise]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Pérez]]></surname>
<given-names><![CDATA[María de Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Angeles Pedregal  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2023</year>
</pub-date>
<volume>21</volume>
<numero>3</numero>
<fpage>273</fpage>
<lpage>275</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032023000300273&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032023000300273&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032023000300273&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El colangiocarcinoma es una neoplasia del epitelio de la vía biliar. Su frecuencia de aparición es baja a pesar de ser el segundo cáncer hepático primario más frecuente en el mundo, con incidencia del 2%. Predominantemente masculino, de mal pronóstico y mortalidad; la supervivencia en estadios tempranos es de 40 meses con cirugía y 12 con quimioterapia en estadios avanzados. La poca especificidad sintomática e infiltración tumoral local en el momento del diagnóstico son factores que impiden la posibilidad de una resección quirúrgica radical. La sospecha de colangiocarcinoma se basa en signos de obstrucción biliar, así como elevación de marcadores tumorales (Ca 19-9). Nos referiremos a una paciente de 74 años cursando con colangiocarcinoma de la confluencia hiliar (tumor de Klatskin) y su diagnóstico en pruebas de imagen mediante resonancia magnética.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Cholangiocarcinoma is a neoplasm of the bile duct epithelium. Its frequency of appearance is low despite being the second most common primary liver cancer in the world (incidence 2%). Predominates in men have a poor prognosis and high mortality; survival in early stages is 40 months with surgery and 12 with advanced-stage chemotherapy. The low symptoms specificity at the presentation and local tumor infiltration at the time of diagnosis usually prevent the possibility of radical surgical resection. Suspicion of cholangiocarcinoma is based on signs of biliary obstruction and elevation of tumor markers (Ca 19-9). We will refer to a patient with cholangiocarcinoma of the hilar confluence (Klatskin tumor) and the magnetic resonance findings.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[tumor de Klatskin]]></kwd>
<kwd lng="es"><![CDATA[conductos biliares]]></kwd>
<kwd lng="es"><![CDATA[colangiocarcinoma]]></kwd>
<kwd lng="en"><![CDATA[Klatskin tumor]]></kwd>
<kwd lng="en"><![CDATA[bile ducts]]></kwd>
<kwd lng="en"><![CDATA[cholangiocarcinoma]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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</back>
</article>
