<?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>S0120-99572021000100018</article-id>
<article-id pub-id-type="doi">10.22516/25007440.544</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Sociodemographic and histopathological characteristics of patients with gastric cancer in a high-risk population in Colombia]]></article-title>
<article-title xml:lang="es"><![CDATA[Características sociodemográficas e histopatológicas en pacientes con cáncer gástrico en una población con alto riesgo en Colombia]]></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[Araújo-Prado,]]></surname>
<given-names><![CDATA[Laura María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Melo,]]></surname>
<given-names><![CDATA[Jorge Mauricio]]></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-group>
<aff id="Af1">
<institution><![CDATA[,Fundación Universitaria San Martín Department of Research ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Universitaria San Martín  ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Pontificia Universidad Javeriana Department of Surgical Oncology ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Cooperativa de Colombia  ]]></institution>
<addr-line><![CDATA[Pasto ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>36</volume>
<numero>1</numero>
<fpage>18</fpage>
<lpage>22</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572021000100018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572021000100018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572021000100018&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective:  To describe the sociodemographic and histopathological characteristics of patients diagnosed with gastric adenocarcinoma at the Clínica Oncológica Aurora between 2014 and 2017 in the city of Pasto, Colombia.  Methodology:  A descriptive study was carried out in a cohort of 54 patients diagnosed with gastric cancer who underwent gastrectomy between 2014 and 2017. Sociodemographic information was taken from the medical records of the patients. The Sydney system and Lauren classification were used to determine histopathological characteristics.  Results:  Most tumors were found in men older than 50 years (with a male:female ratio of 2.6:1). The predominant location was the antropyloric region. The most frequent tumor histotype was intestinal (80 %). The prevalence of Helicobacter pylori in patients was 24.07 % and it was most commonly found in the intestinal histotype. Intestinal metaplasia was the most prevalent premalignant lesion in all tumor histotypes.  Conclusions:  The present study found that the age of 50 and the male sex are conditions associated with gastric cancer. This finding has already been demonstrated in previous studies. Progress in improving public health conditions, controlling H. pylori infection, and early screening of premalignant lesions is imperative, as they are determining factors of carcinogenesis in patients with non-cardia carcinomas and intestinal histotypes located in the anthrocorporal region. Although no significant differences were found among tumor histotypes, intestinal adenocarcinoma in the antropyloric region was the most frequent diagnosis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo:  Describir las características sociodemográficas e histopatológicas en pacientes con diagnóstico de adenocarcinoma gástrico en la Clínica Oncológica Aurora, durante el período 2014-2017 en la ciudad de Pasto, Colombia.  Métodos:  Se realizó un estudio descriptivo en una cohorte de 54 pacientes con diagnóstico de cáncer gástrico sometidos a gastrectomía durante los años 2014 a 2017. La información sociodemográfica se obtuvo a través de la historia clínica. El sistema de Sydney y la clasificación de Lauren se usaron para determinar las características histopatológicas.  Resultados:  La mayoría de los tumores se presentó en hombres mayores de 50 años (relación hombre mujer de 2,6:1). La ubicación predominante fue la región antropilórica. El histotipo tumoral más frecuente fue el intestinal (80%). La prevalencia de Helicobacter pylori en pacientes fue del 24,07% y fue mayor en el histotipo intestinal. La metaplasia intestinal fue la lesión premaligna más prevalente en todos los histotipos tumorales.  Conclusiones:  En el presente estudio se encontró que la edad mayor a 50 años y el sexo masculino son condiciones asociadas con el cáncer gástrico; hallazgo ya demostrado en estudios previos. Es perentorio avanzar en el mejoramiento de las condiciones de salud pública, control de la infección por H. pylori y tamizaje temprano de lesiones premalignas, pues son factores determinantes en la carcinogénesis de pacientes con carcinomas no cardiales e histotipos intestinales ubicados en la región antrocorporal. Aunque no se encontraron diferencias significativas entre los histotipos tumorales, el adenocarcinoma de tipo intestinal ubicado en la región antropilórica fue el diagnóstico más frecuente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="en"><![CDATA[Gastrectomy]]></kwd>
<kwd lng="en"><![CDATA[Gastric cancer]]></kwd>
<kwd lng="en"><![CDATA[Histopathology]]></kwd>
<kwd lng="es"><![CDATA[Helicobacter pylori]]></kwd>
<kwd lng="es"><![CDATA[gastrectomía]]></kwd>
<kwd lng="es"><![CDATA[cáncer gástrico]]></kwd>
<kwd lng="es"><![CDATA[histopatología]]></kwd>
</kwd-group>
</article-meta>
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