<?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>S0120-99572022000100090</article-id>
<article-id pub-id-type="doi">10.22516/25007440.715</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Intestinal Perforation and Perianal Ulcer Due to Parasitic Infection]]></article-title>
<article-title xml:lang="es"><![CDATA[Perforación intestinal y úlcera perianal por infección parasitaria]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-González]]></surname>
<given-names><![CDATA[Hardenson]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wilches-Luna]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valenzuela-Peralta]]></surname>
<given-names><![CDATA[Vanessa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vivas-Troches]]></surname>
<given-names><![CDATA[Rosalba]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Losada-Gómez]]></surname>
<given-names><![CDATA[Claudia Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Clínica Soma  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></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>90</fpage>
<lpage>94</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572022000100090&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572022000100090&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572022000100090&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Balantidium coli is the largest protozoan and the only ciliated parasite that infects humans. It causes balantidiasis, a disease humans acquire by fecal-oral transmission from its usual host: the pig. We report the case of an immunocompetent schoolgirl who presented with peritonitis due to intestinal perforation, with perianal ulceration secondary to polyparasitism caused by Balantidium coli, Enterobius vermicularis, and Trichuris trichiura. It is a rare, potentially preventable complication with extremely high mortality rates. The patient required eight surgical interventions.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Balantidium coli es el protozoario más grande y el único parásito ciliado que infecta a los seres humanos. Es el causante de la balantidiasis, enfermedad adquirida por los humanos por transmisión fecal-oral desde su hospedero habitual: el cerdo. Reportamos el caso de una escolar inmunocompetente, que presentó peritonitis por perforación intestinal, con ulceración perianal secundaria a poliparasitismo por Balantidium coli, Enterobius vermicularis y Trichuris trichiura. Esta es una complicación poco frecuente, potencialmente prevenible y con tasas de mortalidad extremadamente altas. La paciente requirió 8 intervenciones quirúrgicas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Intestinal perforation]]></kwd>
<kwd lng="en"><![CDATA[balantidiasis]]></kwd>
<kwd lng="en"><![CDATA[Balantidium]]></kwd>
<kwd lng="en"><![CDATA[parasites]]></kwd>
<kwd lng="en"><![CDATA[pediatrics]]></kwd>
<kwd lng="es"><![CDATA[Perforación intestinal]]></kwd>
<kwd lng="es"><![CDATA[balantidiasis]]></kwd>
<kwd lng="es"><![CDATA[Balantidium]]></kwd>
<kwd lng="es"><![CDATA[parásitos]]></kwd>
<kwd lng="es"><![CDATA[pediatría]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<person-group person-group-type="author">
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<given-names><![CDATA[RV]]></given-names>
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<name>
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<name>
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<given-names><![CDATA[SK]]></given-names>
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<name>
<surname><![CDATA[Fisher]]></surname>
<given-names><![CDATA[JE]]></given-names>
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<name>
<surname><![CDATA[Anthone]]></surname>
<given-names><![CDATA[R]]></given-names>
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<article-title xml:lang=""><![CDATA[Typhlitis due to Balantidium coli in captive lowland gorillas]]></article-title>
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</article>
