<?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>0120-9957</journal-id>
<journal-title><![CDATA[Revista colombiana de Gastroenterología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. Gastroenterol.]]></abbrev-journal-title>
<issn>0120-9957</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Gastroenterología  ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-99572022000100099</article-id>
<article-id pub-id-type="doi">10.22516/25007440.719</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Case Report of a Metastatic Biliary Tract Neoplasm as an Unusual Cause of Appendicitis]]></article-title>
<article-title xml:lang="es"><![CDATA[Reporte de caso de neoplasia biliar metastásica como causa inusual de apendicitis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peña-Amaya]]></surname>
<given-names><![CDATA[Rafael Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montaña-López]]></surname>
<given-names><![CDATA[Jaime Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Marrugo]]></surname>
<given-names><![CDATA[Carolina Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Navarro]]></surname>
<given-names><![CDATA[Luis Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Militar Central  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Militar Central  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Militar Central  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Militar Central  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>37</volume>
<numero>1</numero>
<fpage>99</fpage>
<lpage>102</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572022000100099&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572022000100099&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572022000100099&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: We describe the case of a patient with appendiceal metastasis as the first manifestation of a cholangiocarcinoma. Main symptoms: Abdominal pain, jaundice, hyporexia, and choluria.  Methods and results: We documented an appendiceal plastron histologically compatible with metastatic appendiceal adenocarcinoma, common hepatic duct stricture, and a suspected cholangiocarcinoma, later corroborated by endoscopic retrograde cholangiopancreatography.  Conclusions: Metastatic appendiceal tumors are an infrequent and poorly studied manifestation, whereas those secondary to bile duct neoplasia have rarely been reported in the literature.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  se describe el caso de una paciente con una metástasis apendicular como primera manifestación encontrada de un colangiocarcinoma. Síntomas principales: expresado con dolor abdominal, ictericia, hiporexia y coluria.  Métodos y resultados:  se documentó un plastrón apendicular histológicamente compatible con adenocarcinoma apendicular metastásico, estrechez del conducto hepático común, con alta sospecha de colangiocarcinoma, corroborado luego con la realización de una colangiopancreatografía retrógrada endoscópica.  Conclusiones:  los tumores apendiculares metastásicos son una presentación infrecuente y poco estudiada, donde los secundarios a neoplasia de vía biliar se han reportados de forma muy escasa en la literatura.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Appendix]]></kwd>
<kwd lng="en"><![CDATA[metastasis]]></kwd>
<kwd lng="en"><![CDATA[cancer]]></kwd>
<kwd lng="en"><![CDATA[cholangiocarcinoma]]></kwd>
<kwd lng="en"><![CDATA[adenocarcinoma]]></kwd>
<kwd lng="es"><![CDATA[Apéndice]]></kwd>
<kwd lng="es"><![CDATA[metástasis]]></kwd>
<kwd lng="es"><![CDATA[cáncer]]></kwd>
<kwd lng="es"><![CDATA[colangiocarcinoma]]></kwd>
<kwd lng="es"><![CDATA[adenocarcinoma]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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