<?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>S2444-64832022000400120</article-id>
<article-id pub-id-type="doi">10.24875/end.23000011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sangrado de tubo digestivo como manifestación de melanoma metastásico]]></article-title>
<article-title xml:lang="en"><![CDATA[Gastrointestinal tract bleeding as a manifestation of metastatic melanoma]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Jacobo]]></surname>
<given-names><![CDATA[Sofía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Villarreal]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bran-Alvarado]]></surname>
<given-names><![CDATA[Jaqueline P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-Elizondo]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-González]]></surname>
<given-names><![CDATA[José A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-Garza]]></surname>
<given-names><![CDATA[Héctor J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Medicina Hospital Universitario Dr. José Eleuterio González]]></institution>
<addr-line><![CDATA[Monterrey ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>34</volume>
<numero>4</numero>
<fpage>120</fpage>
<lpage>122</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-64832022000400120&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-64832022000400120&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-64832022000400120&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El melanoma es un tumor agresivo que puede metastatizar al tracto digestivo. Presentamos el caso de una paciente de 84 años con antecedente de melanoma en extremidad inferior izquierda que acude por sangrado de tubo digestivo alto. Se realiza endoscopia, encontrando lesiones hiperpigmentadas en tercio inferior de esófago, cámara gástrica, bulbo y duodeno; así como lesiones ulceradas en cámara gástrica y bulbo duodenal. Se realizan biopsias, que reportan melanoma metastásico. El diagnóstico de las metástasis de melanoma a tracto digestivo suele ser un reto, ya que la mayoría de los pacientes no presenta síntomas. La búsqueda intencionada en casos de melanoma de cabeza, cuello, tronco y extremidades inferiores debe realizarse con el objetivo de identificarlas de manera temprana e iniciar manejo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Melanoma is an aggressive tumor that can metastasize to the digestive tract. We present the case of an 84-year-old woman with a history of melanoma in the lower left extremity who came with upper gastrointestinal bleeding. Endoscopy was performed, finding hyperpigmented lesions in the lower third of the esophagus, stomach, and duodenum; as well as ulcerated lesions in the stomach and duodenum. Biopsies are performed, reporting metastatic melanoma. The diagnosis of metastases in the digestive tract is often challenging since most patients are asymptomatic. In cases of melanoma of the head, neck, trunk and lower extremities the search of metastatic melanoma should be carried out in order to identify them and initiate management.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Melanoma metastásico]]></kwd>
<kwd lng="es"><![CDATA[Tracto gastrointestinal]]></kwd>
<kwd lng="es"><![CDATA[Sangrado digestivo]]></kwd>
<kwd lng="en"><![CDATA[Metastatic melanoma]]></kwd>
<kwd lng="en"><![CDATA[Gastrointestinal tract]]></kwd>
<kwd lng="en"><![CDATA[Gastrointestinal bleeding]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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