<?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>S0120-99572026000100131</article-id>
<article-id pub-id-type="doi">10.22516/25007440.1429</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Dieulafoy Syndrome: Case Report]]></article-title>
<article-title xml:lang="es"><![CDATA[Síndrome de Dieulafoy: reporte de caso]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Thorne-Vélez]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Imbeth-Acosta]]></surname>
<given-names><![CDATA[Pedro Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Sinú  ]]></institution>
<addr-line><![CDATA[Cartagena ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Militar Nueva Granada  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2026</year>
</pub-date>
<volume>41</volume>
<numero>1</numero>
<fpage>131</fpage>
<lpage>135</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572026000100131&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572026000100131&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572026000100131&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Dieulafoy lesion (DL), also known as persistent caliber artery, is a rare vascular anomaly accounting for approximately 1%-2% of non-variceal upper gastrointestinal bleeding. It most commonly occurs in the stomach (74%), but may also involve the duodenum, colon, esophagus, and jejunum. Clinically, it is characterized by massive gastrointestinal hemorrhage, intermittent abdominal pain, hematemesis, and melena, potentially leading to hemodynamic instability. Risk factors include advanced age, male sex, and cardiovascular comorbidities. Pathogenesis remains uncertain, although associations with antral motility disorders and altered gastric blood flow have been described. Diagnosis is established through esophagogastroduodenoscopy, which is effective in up to 70% of cases. Treatment is based on endoscopic hemostatic techniques, including electrocoagulation, laser photocoagulation, and band ligation.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La lesión de Dieulafoy (LD), también conocida como arteria de calibre persistente, es una anomalía vascular rara que representa entre el 1% y el 2% de las hemorragias digestivas superiores no varicosas. Generalmente se presenta en el estómago (74%), pero también puede encontrarse en el duodeno, colon, esófago y yeyuno. Clínicamente, se caracteriza por sangrados gastrointestinales masivos, dolor abdominal intermitente, hematemesis y melenas, que pueden llevar a inestabilidad hemodinámica. Los factores de riesgo incluyen envejecimiento, sexo masculino y comorbilidades cardiovasculares. La patogénesis sigue siendo incierta, aunque se ha asociado a trastornos de la motilidad antral y alteraciones en el flujo sanguíneo gástrico. El diagnóstico se realiza mediante esofagogastroduodenoscopia, eficaz en hasta el 70% de los casos. El tratamiento se basa en técnicas endoscópicas hemostáticas como electrocoagulación, fotocoagulación láser y ligadura con banda.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Gastrointestinal hemorrhage]]></kwd>
<kwd lng="en"><![CDATA[stomach]]></kwd>
<kwd lng="en"><![CDATA[duodenum]]></kwd>
<kwd lng="en"><![CDATA[hematemesis]]></kwd>
<kwd lng="en"><![CDATA[melena]]></kwd>
<kwd lng="en"><![CDATA[risk factors]]></kwd>
<kwd lng="en"><![CDATA[aging]]></kwd>
<kwd lng="en"><![CDATA[cardiovascular diseases]]></kwd>
<kwd lng="en"><![CDATA[endoscopy]]></kwd>
<kwd lng="es"><![CDATA[Hemorragia gastrointestinal]]></kwd>
<kwd lng="es"><![CDATA[estómago]]></kwd>
<kwd lng="es"><![CDATA[duodeno]]></kwd>
<kwd lng="es"><![CDATA[hematemesis]]></kwd>
<kwd lng="es"><![CDATA[melena]]></kwd>
<kwd lng="es"><![CDATA[factores de riesgo]]></kwd>
<kwd lng="es"><![CDATA[envejecimiento]]></kwd>
<kwd lng="es"><![CDATA[enfermedades cardiovasculares]]></kwd>
<kwd lng="es"><![CDATA[endoscopia]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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