<?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>2444-6483</journal-id>
<journal-title><![CDATA[Endoscopia]]></journal-title>
<abbrev-journal-title><![CDATA[Endoscopia]]></abbrev-journal-title>
<issn>2444-6483</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Endoscopia Gastrointestinal A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-64832021000300119</article-id>
<article-id pub-id-type="doi">10.24875/end.21000035</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Proctitis infecciosa por Chlamydia trachomatis, reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Infectious proctitis due to Chlamydia trachomatis, case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hamud-Gasca]]></surname>
<given-names><![CDATA[Óscar S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Fuentes]]></surname>
<given-names><![CDATA[Gerardo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Español de México Servicio de Gastroenterología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Español de México Servicio de Endoscopia ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>33</volume>
<numero>3</numero>
<fpage>119</fpage>
<lpage>121</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-64832021000300119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-64832021000300119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-64832021000300119&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se presenta un caso de colonoscopia que muestra imágenes compatibles con proctitis infecciosa, siendo identificado posteriormente mediante prueba de reacción en cadena de la polimerasa e histopatología Chlamydia trachomatis como agente causal. Las características clínicas y endoscópicas de esta entidad son difíciles de diferenciar de la enfermedad inflamatoria intestinal, por lo que un adecuado abordaje y diagnóstico diferencial temprano es crucial, en especial en personas con factores de riesgo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A case of colonoscopy images compatible with infectious proctitis is presented, with C. trachomatis identified through PCR and histopathology as the causative agent. Clinical and endoscopic characteristics of this entity are difficult to differentiate from inflammatory bowel disease, thus an adequate approach and early differential diagnosis is crucial, especially in people with risk factors.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Proctitis ulcerosa]]></kwd>
<kwd lng="es"><![CDATA[Chlamydia trachomatis]]></kwd>
<kwd lng="es"><![CDATA[Colonoscopia]]></kwd>
<kwd lng="en"><![CDATA[Ulcerative proctitis]]></kwd>
<kwd lng="en"><![CDATA[Chlamydia trachomatis]]></kwd>
<kwd lng="en"><![CDATA[Colonoscopy]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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