<?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>0120-5552</journal-id>
<journal-title><![CDATA[Revista Salud Uninorte]]></journal-title>
<abbrev-journal-title><![CDATA[Salud, Barranquilla]]></abbrev-journal-title>
<issn>0120-5552</issn>
<publisher>
<publisher-name><![CDATA[Fundación Universidad del Norte, División de Ciencias de la]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-55522021000300880</article-id>
<article-id pub-id-type="doi">10.14482/sun.37.3.616.33</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Gist gigante de alto riesgo: Reporte de caso y revisión de la literatura]]></article-title>
<article-title xml:lang="en"><![CDATA[Giant GIST of High-risk Criteria: Case Report and Literature Review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[PORTILLO-MIÑO]]></surname>
<given-names><![CDATA[JOSÉ DARÍO]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[CARLOSAMA-ROSERO]]></surname>
<given-names><![CDATA[YEISON HARVEY]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[MELO-YÉPEZ]]></surname>
<given-names><![CDATA[JORGE MAURICIO]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[MERA-MARTÍNEZ]]></surname>
<given-names><![CDATA[PAULO FRANCISCO]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación Universitaria San Martín  ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Cooperativa de Colombia  ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Fundación Universitaria San Martín  ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Nariño  ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>37</volume>
<numero>3</numero>
<fpage>880</fpage>
<lpage>892</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-55522021000300880&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-55522021000300880&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-55522021000300880&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los tumores del estroma gastrointestinal (GIST) son las neoplasias mesenquimales más frecuentes del tracto digestivo. Los criterios de estadificación del riesgo, como angioinvasion, tamaño, infiltración y el índice mitótico, permiten realizar un adecuado diagnóstico y tratamiento. Se presenta un paciente masculino de 67 años de edad, quien consultó por he-matemesis y melenas. Endoscópicamente se observó una masa en el estómago de 20x10x6 cm de diámetro de la cual se tomó biopsia para estudio. Al examen histopatológico se diagnósticó un GIST con invasión microscópica de la lámina propia y angioinvasión, estos dos componentes histopatológicos son escasamente tomados en cuenta para clasificar GIST; sin embargo, son muy importantes en este contexto, pues cambian el pronóstico de la enfermedad y con requerimiento de terapia adyuvante con imatinib. El desenlace del paciente fue favorable, debido a la conducta terapéutica establecida. El comportamiento biológico del GIST varía dependiendo de las características clínicas e histopatológicas. Este caso resalta los criterios de alto riesgo del GIST y la necesidad de modificar el tratamiento cuando están presentes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Gastrointestinal stromal tumors (GIST) are the most common mesenchymal neoplasms of the digestive tract. Risk staging criteria such as angioinvasion, size, infiltration, and mitotic index allow for adequate diagnosis and treatment. A 67-year-old male patient is presented, who consulted for hematemesis and melena. Endoscopically, a 20x10x6 cm diameter mass was observed in the stomach, which was taken for a biopsy for study. On histopathological examination, a GIST with the microscopic invasion of the lamina propia and angioinvasion was diagnosed. These two histopathological components are scarcely taken into account to classify GIST; however, they are very important in this context, changing the prognosis of the disease and requiring adjuvant therapy with imatinib. The outcome of the patient was favorable due to the established therapeutic conduct. The biological behavior of GIST varies depending on the clinical and histopathological characteristics. This case highlights the high-risk criteria for GIST and the need to modify the treatment when present.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[GIST]]></kwd>
<kwd lng="es"><![CDATA[estómago]]></kwd>
<kwd lng="es"><![CDATA[estratificación de riesgo]]></kwd>
<kwd lng="es"><![CDATA[imatinib]]></kwd>
<kwd lng="en"><![CDATA[GIST]]></kwd>
<kwd lng="en"><![CDATA[stomach]]></kwd>
<kwd lng="en"><![CDATA[risk stratification]]></kwd>
<kwd lng="en"><![CDATA[imatinib]]></kwd>
</kwd-group>
</article-meta>
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